Sailing - Blocks
Improve sailing control and performance with premium sailing blocks designed to provide smooth operation, reliable handling, and dependable support for your rigging system. Essential for sailboats, cruising vessels, and racing applications, quality blocks help manage lines efficiently while reducing friction and improving overall sailing performance. Our Sailing Blocks collection features pulley blocks, single blocks, double blocks, triple blocks, swivel blocks, deck blocks, ball bearing blocks, and rigging accessories designed for various sailing applications. Built with durable materials and marine-grade construction, these products are engineered to withstand saltwater exposure, weather conditions, and demanding use on the water. Whether upgrading your rigging setup, replacing worn components, or improving sail handling, reliable sailing blocks provide the strength and efficiency sailors need. Featuring trusted marine brands recognized for quality craftsmanship and performance, our Sailing Blocks collection delivers dependable solutions for recreational sailors, racers, and professionals. Shop today and equip your vessel with high-quality sailing blocks built for smoother and more confident sailing adventures.
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Sort by:
- Featured
- Most relevant
- Best selling
- Alphabetically, A-Z
- Alphabetically, Z-A
- Price, low to high
- Price, high to low
- Date, old to new
- Date, new to old
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Vendor:Ronstan
Ronstan Series 25 Ball Bearing HHL Lashing Orbit Block [RF28109HL]
- $127.03
$149.44- $127.03
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Series 25 Ball Bearing HHL Lashing Orbit Block™Single sheave ball bearing high load block with becket hub option and lashing head.The Series 25 Ball Bearing Orbit Blocks™ deliver superior strength, reduced weight, and exceptional performance for high-demand dinghy and small boat applications.Designed with competitive...- $127.03
$149.44- $127.03
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Vendor:Ronstan
Ronstan Series 25 Ball Bearing Orbit Block - Becket Swivel Shackle [RF28100]
- $33.31
$39.19- $33.31
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Series 25 Ball Bearing Orbit Block™ - Becket & Swivel ShackleSingle sheave ball bearing block with becket hub and swivel shackle head. Series 25 Ball Bearing Orbit Blocks™, delivering superior strength, reduced weight, and exceptional performance for high-demand dinghy and small boat applications.Designed with competitive...- $33.31
$39.19- $33.31
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Vendor:Ronstan
Ronstan Series 15 Ball Bearing Utility Block - Double, Loop Head [RF15202]
- $36.68
$43.14- $36.68
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Series 15 Ball Bearing Utility Block - Double, Loop HeadFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O-ring to separate running line...- $36.68
$43.14- $36.68
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Vendor:Harken
Harken 40mm Carbo Single Fixed Block [2650]
- $44.62
$49.93- $44.62
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40mm Carbo Single Fixed BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16...- $44.62
$49.93- $44.62
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Vendor:Barton Marine
Barton Marine Laser Replica 15:1 Boom Vang Assembly [98075]
- $327.87
$364.30- $327.87
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Laser Replica 15:1 Boom Vang Assembly The Barton boom vang assembly gives all the advantages of systems costing twice the price. 15:1 purchase is achieved through clever design of the base plate, fitted with the unique Barton swivelling triple cam block. It is simple to fit...- $327.87
$364.30- $327.87
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Vendor:Barton Marine
Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00131]
- $36.30
$40.32- $36.30
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Size 0 20mm Plain Bearing Pulley Block Single Swivel & BecketThe Barton Size 0 Plain bearing block has 20mm (3/4″) sheaves and is also available in ball bearing sheaves. They are designed for high strength and performance but lightweight with the range starting at...- $36.30
$40.32- $36.30
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Vendor:Lewmar
Lewmar 60mm Synchro Block - Single [29926001BK]
- $54.46
$72.56- $54.46
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60mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on...- $54.46
$72.56- $54.46
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Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]
- $117.74
$138.52- $117.74
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Series 40 All Purpose Block - Triple - Swivel HeadFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave Slotted pin shackle eliminates fouled lines Two way head post Spare parts - RF41010 Replacement Becket Pin, RF150 Shackle All purpose (AP) blocks...- $117.74
$138.52- $117.74
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Vendor:Ronstan
Ronstan Swivel Cleat & Base [RF5]
- $102.22
$120.27- $102.22
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Swivel Cleat & BaseSwivel cleat bases permit easy cleating and releasing from any angle.Sheave can be relocated to allow the control line to feed from belowComes complete with a 28mm(1-1/4") ball bearing sheave, small 'T-Cleat and the 'Fast Track' fairlead.Applications:Typically fitted to dinghy and...- $102.22
$120.27- $102.22
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Vendor:Barton Marine
Barton Marine Size 2 Snatch Block w/Stainless Snap Shackle - 35mm Sheave [90301]
- $159.96
$177.73- $159.96
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Size 2 Snatch Block with Stainless Snap Shackle - 35mm SheaveUnique to Barton, these are probably the smallest block of this type available.Important Note - Snatch BlocksWhen using small and medium snatch blocks on a toe rail, a bungee line should be attached to...- $159.96
$177.73- $159.96
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Vendor:Harken
Harken 40mm Carbo Block Single w/Swivel Bracket [2637]
- $62.78
$70.95- $62.78
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40mm Carbo Block Single with Swivel & BracketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave Ø (mm): 40 mm Sheave...- $62.78
$70.95- $62.78
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Vendor:Harken
Harken 40mm Carbo Air Double Swivel Block [2638]
- $121.44
$138.06- $121.44
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40mm Carbo Air Double Swivel BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave Ø (mm)40 mm Sheave Ø (in)1 9/16...- $121.44
$138.06- $121.44
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Vendor:Harken
Harken 25mm Wire Block w/Shackle [300]
- $66.97
$75.56- $66.97
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25mm Wire Block with ShackleLightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.Specifications: Sheave: 25mm / 1in. Weight: 28g / 1oz. Shackle pin: 5mm / 3/16in, Maximum wire: 2mm / 3/32in. Maximum line: 4mm / 5/32in. Maximum...- $66.97
$75.56- $66.97
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Vendor:Harken
Harken 22mm Double Micro Block w/Becket [227]
- $57.19
$64.32- $57.19
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22mm Double Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 64mm / 2.5in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum working load: 159kg / 350lb Breaking load: 544kg/ 1200 lb- $57.19
$64.32- $57.19
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Vendor:Ronstan
Ronstan Wire Block - Tubular Rivet Head w/Removable Nylatron Sheave - 45mm (1-3/4") Sheave Diameter [RF103]
- $68.91
$81.08- $68.91
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Wire Block - Tubular Rivet Head w/Removable Nylatron® Sheave - 45mm(1-3/4") Sheave DiameterWire blocks have purpose designed narrow sheaves and grooves.Removal sheave for easy fitting and without cutting the wire terminationFeatures: Flared cheeks to minimise chafing Removable sheavesApplications:Wire blocks suit halyards, vang and backstay...- $68.91
$81.08- $68.91
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Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single Cheek [RF41811]
- $124.49
$146.46- $124.49
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Series 40 All Purpose Block - Single CheekFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating sheave All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic...- $124.49
$146.46- $124.49
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Vendor:Ronstan
Ronstan Wire Block - Tubular Rivet Head w/Nylatron Sheave - 25mm (1") Sheave Diameter [RF418]
- $36.82
$43.31- $36.82
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Wire Block - Tubular Rivet Head w/Nylatron® Sheave - 25mm Sheave DiameterWire blocks have purpose designed narrow sheaves and grooves.Applications:Wire blocks suit halyards, vang and backstay applicationsMaterials: Grade 316 stainless steel cheeks Nylatron® sheave Specifications:Sheave Ø: 25mm(1")Max. Cable Ø: 3mm(1/8")M.W.L:450kg(990lbs)B.L.: 900kg(1,980lbs)Weight: 40kg(1.4oz)- $36.82
$43.31- $36.82
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Vendor:Ronstan
Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171]
- $69.42
$81.66- $69.42
- Unit price
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Series 40 All Purpose Block - Single Upright LeadLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable...- $69.42
$81.66- $69.42
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Vendor:Barton Marine
Barton Marine Size 0 20mm Plain Bearing Pulley Block Cheek [N00160]
- $13.94
$15.48- $13.94
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Size 0 20mm Plain Bearing Pulley Block CheekThe Barton Size 0 Plain bearing block has 20mm (3/4″) sheaves and is also available in ball bearing sheaves. They are designed for high strength and performance but lightweight with the range starting at only 13gms (0.5oz).Suitable...- $13.94
$15.48- $13.94
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Vendor:Barton Marine
Barton Large Snatch Block f/Yachts Up to 40' (12.2M) - Stainless Steel Snap [90401]
- $213.83
$237.59- $213.83
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Large Snatch Block for Yachts Up to 40' (12.2M) - Stainless Steel SnapBarton Snatch Blocks give the crew the option to locate the block anywhere on deck using the stainless steel snap shackle, then locate a rope into the sheave without the need to...- $213.83
$237.59- $213.83
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