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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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  • Harken 40mm Carbo Air Block w/Swivel [2636]
    Harken

    Harken 40mm Carbo Air Block w/Swivel [2636]

    $38.95
    $43.65
    $38.95
    40mm Carbo Air Block with SwivelLow-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: 40mm / 1-9/ 16in Length: 86mm /...
    $38.95
    $43.65
    $38.95
  • Harken 22mm Fiddle Micro Block w/V-Jam Becket [245]
    Harken

    Harken 22mm Fiddle Micro Block w/V-Jam Becket [245]

    $47.95
    $54.20
    $47.95
    22mm Fiddle Micro Block with V-Jam & BecketLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm / 7/8in. Length: 102mm / 4in. Weight: 57g / 2oz. Shackle...
    $47.95
    $54.20
    $47.95
  • Harken 40mm Double Sheave Fishing Block [2184]
    Harken

    Harken 40mm Double Sheave Fishing Block [2184]

    $60.95
    $69.00
    $60.95
    40mm Double Sheave Fishing BlockLow-friction Carbo Air blocks are lightweight, strong, and reliable. These compact blocks have very high working loads and smooth operation to simplify the positioning and retrieval of teaser lines. Specifications: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in...
    $60.95
    $69.00
    $60.95
  • Harken 29mm Carbo Air Block [348]
    Harken

    Harken 29mm Carbo Air Block [348]

    $17.95
    $19.90
    $17.95
    29mm Carbo Air 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: 29mm / 1-1/8in Length: 49mm / 1-15/16in Weight: 23g...
    $17.95
    $19.90
    $17.95
  • Harken 22mm Fiddle Micro Block w/V-Jam [244]
    Harken

    Harken 22mm Fiddle Micro Block w/V-Jam [244]

    $43.95
    $49.90
    $43.95
    22mm Fiddle Micro Block with V-JamLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm / 7/8in. Length: 89mm / 3-1/2in. Weight: 57g / 2oz. Shackle pin: 5mm/...
    $43.95
    $49.90
    $43.95
  • Harken 40mm Carbo Single Ratchet Block w/Swivel [2608]
    Harken

    Harken 40mm Carbo Single Ratchet Block w/Swivel [2608]

    $72.95
    $83.10
    $72.95
    40mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. 2608, 2609, and 2614 have on/off switches. Features: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in Maximum line Ø (mm):...
    $72.95
    $83.10
    $72.95
  • Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]
    Harken

    Harken 57mm Carbo Single Ratchet Block w/Swivel [2135]

    $86.95
    $98.25
    $86.95
    57mm Carbo Single Ratchet Block with SwivelCarbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.Features: On/off switch operates from both sides Standard grip: medium/light air; 10:1 holding power Sheave Ø (mm): 57 mm Sheave Ø (in):...
    $86.95
    $98.25
    $86.95
  • Harken 60mm Single Element Block Mastbase w/Swivel [6220]
    Harken

    Harken 60mm Single Element Block Mastbase w/Swivel [6220]

    $62.90
    $0.00
    $62.90
    60mm Single Element Block Mastbase with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing....
    $62.90
    $0.00
    $62.90
  • Harken 29mm Single Bullet Block w/Becket [083]
    Harken

    Harken 29mm Single Bullet Block w/Becket [083]

    $23.95
    $27.60
    $23.95
    29mm Single Bullet Block with BecketLow-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Features: Sheave: 29mm (1-1/8")...
    $23.95
    $27.60
    $23.95
  • Harken 22mm Micro Block w/Swivel [292]
    Harken

    Harken 22mm Micro Block w/Swivel [292]

    $29.95
    $33.90
    $29.95
    22mm Micro Block with SwivelLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications: Sheave: 22mm / 7/8in. Length: 60mm / 2-3/8in. Weight: 28g / 1oz. Shackle pin: 4mm /...
    $29.95
    $33.90
    $29.95
  • Harken 75mm Carbo Air Block w/Swivel [2660]
    Harken

    Harken 75mm Carbo Air Block w/Swivel [2660]

    $98.95
    $111.80
    $98.95
    75mm Carbo Air Block with SwivelLow-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: 75mm / 2-15/16in Length: 137mm / 5-3/8in...
    $98.95
    $111.80
    $98.95
  • Harken 22mm Micro Block w/Becket [225]
    Harken

    Harken 22mm Micro Block w/Becket [225]

    $16.95
    $19.55
    $16.95
    22mm Micro Block with BecketLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 21g / .75oz. Maximum line: 6mm / 1/4in. Maximum working load: 91kg / 200lb Breaking load: 544kg/ 1200 lb
    $16.95
    $19.55
    $16.95
  • Harken 45mm Single Element Block w/Swivel Becket [6231]
    Harken

    Harken 45mm Single Element Block w/Swivel Becket [6231]

    $61.05
    $0.00
    $61.05
    45mm Single Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal...
    $61.05
    $0.00
    $61.05
  • Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat [2157]
    Harken

    Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat [2157]

    $83.95
    $95.55
    $83.95
    40mm Pivoting Lead Block - Carbo-Cam® CleatHigh-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as “headknockers” on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models,...
    $83.95
    $95.55
    $83.95
  • Harken 16mm Triple Block w/Becket [409]
    Harken

    Harken 16mm Triple Block w/Becket [409]

    $54.95
    $62.55
    $54.95
    16mm Triple Block with BecketThe 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.Specifications: Sheave: 16mm / 5/8in. Length: 57mm / 2-1/4in....
    $54.95
    $62.55
    $54.95
  • Harken 40mm Carbo Air Block w/Cam Cleat Becket [2646]
    Harken

    Harken 40mm Carbo Air Block w/Cam Cleat Becket [2646]

    $131.95
    $149.60
    $131.95
    40mm Carbo Air Block with Cam Cleat & BecketLow-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...
    $131.95
    $149.60
    $131.95
  • Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]
    Ronstan

    Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]

    $45.76
    $53.83
    $45.76
    Series 20 Ball Bearing Block - Triple - 2-Axis Shackle HeadFeatures: 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 Two-Way head can be fixed at...
    $45.76
    $53.83
    $45.76
  • Ronstan Series 40 Orbit BB Sheave [RF48000]
    Ronstan

    Ronstan Series 40 Orbit BB Sheave [RF48000]

    $22.71
    $26.72
    $22.71
    Series 40 Orbit BB SheaveBall Bearing versions incorporate the 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.Specifications: Sheave Captive BB Width: 15.5mm/5/8" Sheave Diameter: 40mm/1-9/16" Maximum Rope: 10mm/3/8"...
    $22.71
    $26.72
    $22.71
  • Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]
    Ronstan

    Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing head [RF35101]

    $17.26
    $20.30
    $17.26
    Series 30 Ball Bearing Orbit Block™ - Single - Becket - Lashing HeadBall 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...
    $17.26
    $20.30
    $17.26
  • Ronstan Series 30 Block - Single - Loop Top [RF280]
    Ronstan

    Ronstan Series 30 Block - Single - Loop Top [RF280]

    $12.38
    $14.57
    $12.38
    Series 30 Block - Single - Loop TopFeatures: Maintenance free Economical Lightweight durable construction Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance Hollow rivets in the block heads can be fitted with shackles, which can also be...
    $12.38
    $14.57
    $12.38