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Sailing - Blocks

High-performance sailing blocks designed for smooth and efficient line handling. Choose from various sizes and configurations to optimize your rigging system.

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  • Harken 40mm Carbo Air Block w/Swivel [2636]
    Harken
    Harken 40mm Carbo Air Block w/Swivel [2636]
    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
  • Ronstan Series 40 Orbit BB Sheave [RF48000]
    Ronstan
    Ronstan Series 40 Orbit BB Sheave [RF48000]
    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"...
    $22.27
    $22.27
  • Harken 75mm Carbo Air Block w/Swivel [2660]
    Harken
    Harken 75mm Carbo Air Block w/Swivel [2660]
    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
  • Barton Marine Laser Replica 15:1 Boom Vang Assembly [98 075]
    Barton Marine
    Barton Marine Laser Replica 15:1 Boom Vang Assembly [98 075]
    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...
    $194.39
    $258.40
    $194.39
  • Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00131]
    Barton Marine
    Barton Marine Size 0 20mm Plain Bearing Pulley Block Single Swivel Becket [N00131]
    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...
    $24.72
    $28.05
    $24.72
  • Harken 80mm Single Element Block Mastbase w/Swivel [6221]
    Harken
    Harken 80mm Single Element Block Mastbase w/Swivel [6221]
    80mm 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....
    $110.05
    $0.00
    $110.05
  • Harken 40mm/29mm Carbo Traveler Block [2649]
    Harken
    Harken 40mm/29mm Carbo Traveler Block [2649]
    40mm/29mm Carbo Traveler 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 in...
    $49.95
    $56.70
    $49.95
  • Harken 16mm Forkhead Block [376]
    Harken
    Harken 16mm Forkhead Block [376]
    16mm Forkhead BlockThe 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 and has a 250 lb (113 kg) maximum working load.Specifications:...
    $24.95
    $28.70
    $24.95
  • Harken 40mm Carbo Air Fiddle Block w/Swivel Becket [2656]
    Harken
    Harken 40mm Carbo Air Fiddle Block w/Swivel Becket [2656]
    40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an...
    $58.95
    $66.90
    $58.95
  • Harken 22mm Micro Block w/Swivel [292]
    Harken
    Harken 22mm Micro Block w/Swivel [292]
    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
  • Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11]
    Schaefer Marine
    Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11]
    Series 5 Flat Base/Alum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Diameter 2" (51 mm) Max. Line 7/16" (11 mm) Length 3-5/8" (92 mm) Width 2-7/32" (57 mm) Height...
    $88.99
    $101.90
    $88.99
  • Schaefer Pulpit Furling Lead Spring Loaded Block - 1" Ball Bearing [300-35]
    Schaefer Marine
    Schaefer Pulpit Furling Lead Spring Loaded Block - 1" Ball Bearing [300-35]
    Pulpit Furling Lead Spring Loaded Block - 1" Ball BearingThe Stainless Steel spring guarantees maximum support for the block. Delrin™ ball bearing sheave ensures low-friction lead for your furling line. Specifications: 1" (25mm) stanchions Length 4-11/32" (111mm) Width 1-9/16"(40mm) Safe Working Load 1000 lbs (450kg)...
    $140.99
    $140.99
  • Schaefer Single Ball Bearing Block [506-05]
    Schaefer Marine
    Schaefer Single Ball Bearing Block [506-05]
    Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications: Sheave Diameter 2" (51mm) Thickness 15/16" (24mm) Width 2 1/8" (54mm) Length 4 13/32" (112mm)...
    $102.99
    $102.99
  • Lewmar 60mm Synchro Block - Single [29926001BK]
    Lewmar
    Lewmar 60mm Synchro Block - Single [29926001BK]
    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...
    $44.99
    $44.99
  • Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]
    Ronstan
    Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]
    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...
    $82.65
    $82.65
  • Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140]
    Ronstan
    Ronstan Series 50 All Purpose Block - Single Stand Up [RF51140]
    Series 50 All Purpose Block - Single Stand UpFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock™ universal head Slotted pin shackle eliminates fouled lines Mount with 2 x 5mm (3/6")...
    $50.77
    $50.77
  • Ronstan Swivel Cleat & Base [RF5]
    Ronstan
    Ronstan Swivel Cleat & Base [RF5]
    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...
    $71.76
    $71.76
  • Harken 40mm Carbo Air Block w/Cam Cleat [2645]
    Harken
    Harken 40mm Carbo Air Block w/Cam Cleat [2645]
    40mm Carbo Air Block with Cam CleatLow-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...
    $124.95
    $142.30
    $124.95
  • Harken 16mm Block w/Swivel [417]
    Harken
    Harken 16mm Block w/Swivel [417]
    16mm Block with SwivelThe 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 and has a 250 lb (113 kg) maximum working...
    $31.95
    $36.40
    $31.95
  • Harken 29mm Single Bullet Block w/Becket [083]
    Harken
    Harken 29mm Single Bullet Block w/Becket [083]
    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

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