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 30 Ball Bearing Orbit Block - Triple [RF35302]
- £41.22
£48.49- £41.22
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Series 30 Ball Bearing Orbit Block - TripleBall Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction while weight...- £41.22
£48.49- £41.22
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Vendor:Schaefer Marine
Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]
- £106.39
£138.05- £106.39
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Single Stainless Steel Block - 60mm SheaveDelrin™ sheave ensures low-friction and high safe working load. Swivel head may be locked in place to eliminate line twist. Specifications: Sheave Dia. 2 3/8" (60mm) Thickness 1 3/32" (28mm) Width 2 1/2" (64mm) Length 5 1/32" (128mm) SWL...- £106.39
£138.05- £106.39
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Vendor:Barton Marine
Barton Size 2 35mm Plain Bearing Pulley Block Double Swivel Becket [N02231]
- £34.92
£38.80- £34.92
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Size 2 35mm Plain Bearing Pulley Block Double Swivel & BecketThe Barton Size 2 Plain Bearing Block has a 35mm (1 3/8") sheave. This block range size provides high performance and load values in a variety of assemblies & configurations. The range has an...- £34.92
£38.80- £34.92
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Vendor:Barton Marine
Barton Size 3 45mm Plain Bearing Pulley Block Single Swivel Becket [N03131]
- £22.22
£24.69- £22.22
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Size 3 45mm Plain Bearing Pulley Block Single Swivel & BecketThe size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass-filled nylon and...- £22.22
£24.69- £22.22
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Vendor:Barton Marine
Barton Size 5 54mm Plain Bearing Pulley Block Double Swivel Becket [N05231]
- £56.06
£62.29- £56.06
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Size 5 54mm Plain Bearing Pulley Block Double Swivel & BecketThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are a rugged construction, featuring high-grade moulded side plates that are through-bolted and riveted for added strength and security. All...- £56.06
£62.29- £56.06
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Vendor:Barton Marine
Barton Size 5 54mm Plain Bearing Pulley Block Double Block Swivel [N05230]
- £50.90
£56.55- £50.90
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Size 5 54mm Plain Bearing Pulley Block Double Block & SwivelThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are a rugged construction, featuring high-grade moulded side plates that are through-bolted and riveted for added strength and security. All...- £50.90
£56.55- £50.90
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Vendor:Barton Marine
Barton Size 5 54mm Plain Bearing Pulley Block Single Swivel Becket [N05131]
- £48.10
£53.44- £48.10
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Size 5 54mm Plain Bearing Pulley Block Single Swivel & BecketThe Size 5 Barton range of blocks has a 54mm 2 1/8" sheave. They are a rugged construction, featuring high-grade moulded side plates that are through-bolted and riveted for added strength and security. All...- £48.10
£53.44- £48.10
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Vendor:Barton Marine
Barton Size 2 35mm Plain Bearing Pulley Block Double w/Swivel [N02230]
- £31.26
£34.74- £31.26
- Unit price
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Size 2 35mm Plain Bearing Pulley Block Double with SwivelThe Barton Size 2 Plain Bearing Block has a 35mm (1 3/8") sheave. This block range size provides high performance and load values in a variety of assemblies & configurations. The range has an internal...- £31.26
£34.74- £31.26
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Vendor:Barton Marine
Barton Size 1 30mm Plain Bearing Pulley Block Double Swivel Becket [N01231]
- £32.76
£36.40- £32.76
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Size 1 30mm Plain Bearing Pulley Block Double Swivel & BecketThe Size 1 Plain Bearing Blocks have a 30mm (1 3/16") sheave. The range is designed with an internal steel frame for added strength and durability. Also available in ball bearing sheave options, the...- £32.76
£36.40- £32.76
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Vendor:Barton Marine
Barton Size 3 45mm Plain Bearing Pulley Block Double Swivel Becket [N03231]
- £38.42
£42.69- £38.42
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Size 3 45mm Plain Bearing Pulley Block Double Swivel & BecketThe size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass-filled nylon and...- £38.42
£42.69- £38.42
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Vendor:Barton Marine
Barton Size 2 35mm Plain Bearing Pulley Block Single Swivel Becket [N02131]
- £20.34
£22.60- £20.34
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Size 2 35mm Plain Bearing Pulley Block Single Swivel & BecketThe Barton Size 2 Plain Bearing Block has a 35mm (1 3/8") sheave. This block range size provides high performance and load values in a variety of assemblies & configurations. The range has an...- £20.34
£22.60- £20.34
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Vendor:Barton Marine
Barton Size 1 30mm Plain Bearing Pulley Block Single Swivel Becket [N01131]
- £18.70
£20.77- £18.70
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Size 1 30mm Plain Bearing Pulley Block Single Swivel & BecketThe Size 1 Plain Bearing Blocks have a 30mm (1 3/16") sheave. The range is designed with an internal steel frame for added strength and durability. Also available in ball bearing sheave options, the...- £18.70
£20.77- £18.70
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Vendor:Harken
Harken 40mm Carbo Block 90 Fixed Head [2659]
- £31.95
£36.20- £31.95
- Unit price
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40mm Carbo Block 90° Fixed HeadLow-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):...- £31.95
£36.20- £31.95
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Vendor:Ronstan
Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]
- £17.02
£20.02- £17.02
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Series 20 Ball Bearing Block- Single, Stand-Up Loop TopFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.Applications: Dinghy control lines Dinghy vangs Cunninghams Traveler controls...- £17.02
£20.02- £17.02
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Vendor:Lewmar
Lewmar 90mm Synchro Block - Single [29929001BK]
- £90.76
£133.14- £90.76
- Unit price
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90mm 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...- £90.76
£133.14- £90.76
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Vendor:Schaefer Marine
Schaefer Series 3 Flat Base/Alum Cheek/Delrin Sheave [303-09]
- £52.82
£67.74- £52.82
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Series 3 Flat Base/Alum Cheek/Delrin SheaveDelrin™ plain bearing sheave ensures smooth operation and high safe working load. Stainless Steel base distributes loads to a larger surface area.Specifications: Sheave Dia. 1-7/16" (37 mm) Max Line 7/16" (11 m) Length 2-7/8" (73 mm) Width 1-3/4" (44...- £52.82
£67.74- £52.82
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Vendor:Ronstan
Ronstan Series 40 Ball Bearing Orbit Block - Single - Becket - Cleat - Swivel Head [RF45130]
- £75.27
£88.55- £75.27
- Unit price
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Series 40 Ball Bearing Orbit Block - Single - Becket - Cleat - Swivel HeadFeatures: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating LightweightKilogram for kilogram of working load, BB...- £75.27
£88.55- £75.27
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Vendor:Barton Marine
Barton Marine Size 3 Stanchion Lead Block - Single w/Becket Cam Cleat [N03591]
- £66.69
£74.10- £66.69
- Unit price
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Size 3 Stanchion Lead Block - Single with Becket & Cam Cleat Barton Marine's stanchion lead blocks have proven to be popular with Cruising sailors all over the World. Mounted onto the stanchion base, the stanchion lead block enables the Genoa furling line to be...- £66.69
£74.10- £66.69
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Vendor:Ronstan
Ronstan Series 25 Ball Bearing Orbit Block - Lashing [RF28109]
- £12.16
£14.31- £12.16
- Unit price
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Series 25 Ball Bearing Orbit Block™ - LashingSingle sheave ball bearing block with becket 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 sailors and performance boats...- £12.16
£14.31- £12.16
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Vendor:SeaSure
SeaSure Clip f/1" Stanchion [25.05CRD]
- £6.69
£11.58- £6.69
- Unit price
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Clip for 1" StanchionThis stainless steel clip is for a 1 in. stanchion.Specifications:Weight: 0.019kg- £6.69
£11.58- £6.69
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