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Blocks

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    Ronstan Series 40 Orbit BB Sheave HHL RF48000HL

    Ronstan Series 40 Orbit BB Sheave HHL RF48000HL

    Series 40 Orbit BB Sheave HHLHigh Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave & hub together with a triple bearing race to...

    $137.45
  • Sale
    Ronstan Series 40 Orbit BB Sheave RF48000

    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:SheaveCaptive...

    $22.27
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    Ronstan Series 40 Orbit RT Sheave Replacement Cassette RF46000

    Ronstan Series 40 Orbit RT Sheave Replacement Cassette RF46000

    Series 40 Orbit RT Sheave Replacement CassetteThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this...

    $96.52
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    Ronstan Series 40 Orbit Ball Bearing Exit Block RF45711

    Ronstan Series 40 Orbit Ball Bearing Exit Block RF45711

    Series 40 Orbit Ball Bearing Exit BlockThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of...

    $114.91
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    Ronstan Series 15 Webbing Block RF15107

    Ronstan Series 15 Webbing Block RF15107

    Series 15 Webbing BlockRonstan’s Series 15 blocks are available in 15 different configurations or as a sheave only.The smallest and lightest ball bearing blocks on the market, stainless steel ball bearings help create impressive working loads for...

    $16.06
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    Ronstan Series 55 BB Orbit Block, Double Becket Swivel RF55210

    Ronstan Series 55 BB Orbit Block, Double Becket Swivel RF55210

    Series 55 BB Orbit Block, Double Becket SwivelLightweightKilogram for a kilogram of working load, BB and RT Orbit Blocks™ are the world’s lightest. The unique orbital design allows the bearing to only be in the active areas of the floating...

    $104.80
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    Harken Midrange Single w/Aluminum Sheave Block 1542

    Harken Midrange Single w/Aluminum Sheave Block 1542

    Midrange Single with Aluminum Sheave BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any...

    $187.95
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    Harken 38mm Double Big Bullet Block w/Becket 128

    Harken 38mm Double Big Bullet Block w/Becket 128

    38mm Double Big 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...

    $94.95
  • Sale
    Harken 38mm Single Big Bullet Block 125

    Harken 38mm Single Big Bullet Block 125

    38mm Single Big Bullet BlockLow-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...

    $35.95
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    Harken 29mm Double Bullet Block w/Becket 085

    Harken 29mm Double Bullet Block w/Becket 085

    29mm Double 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...

    $57.95
  • Sale
    Harken 29mm Double Bullet Block 084

    Harken 29mm Double Bullet Block 084

    29mm Double Bullet BlockLow-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...

    $53.95
  • Sale
    Harken 29mm Single Bullet Block 082

    Harken 29mm Single Bullet Block 082

    29mm Single Bullet BlockLow-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...

    $19.95
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    Harken 40mm Carbo Single Ratchet Block w/Swivel 2608

    Harken 40mm Carbo Single Ratchet Block w/Swivel 2608

    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 mmSheave...

    $71.95
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    Harken 40mm Carbo Block 90° Fixed Head 2659

    Harken 40mm Carbo Block 90° Fixed Head 2659

    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...

    $41.95
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    Harken 40mm Carbo Single Fixed Block 2650

    Harken 40mm Carbo Single Fixed Block 2650

    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...

    $30.95
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    Barton Marine Series 4 Single Upright Block- 54mm N04 150

    Barton Marine Series 4 Single Upright Block- 54mm N04 150

    Series 4 Single Upright Block- 54mmPlain Bearing BlocksBarton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.Specifications:Sheave size: 54mm x...

    MSRP: $56.63
    $49.24
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    Harken 40mm Carbo Air Block w/Swivel 2636

    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...

    $37.95
  • Sale
    Harken 25mm Wire Block w/Shackle 300

    Harken 25mm Wire Block w/Shackle 300

    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...

    $46.95
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    Harken 22mm Triple Micro Block w/Becket 229

    Harken 22mm Triple Micro Block w/Becket 229

    22mm Triple Micro Block with 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: 64mm / 2.5in...

    $53.95
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    Harken 45mm Triple Element Block w/Swivel 6240

    Harken 45mm Triple Element Block w/Swivel 6240

    45mm Triple Element Block 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...

    $132.80
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    Harken 45mm Double Element Block w/Swivel 6238

    Harken 45mm Double Element Block w/Swivel 6238

    45mm Double Element Block 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...

    $103.15
  • Sale
    Ronstan RF568 Lead Block RF568

    Ronstan RF568 Lead Block RF568

    RF568 Lead BlockLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads.Features:Removable sheaveThe external tabs can be...

    $17.63
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    Schaefer Single Ball Bearing Block 506-05

    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"...

    MSRP: $110.91
    $96.44
  • Sale
    Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave 504-11

    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...

    MSRP: $96.80
    $84.18
  • Sale
    Schaefer Single Aluminum Block - 51mm Sheave 504-05

    Schaefer Single Aluminum Block - 51mm Sheave 504-05

    Single Aluminum Block - 51mm SheaveSingle block with anodized aluminum cheeks. Delrin™ sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid twist. Specifications:Sheave Dia. 2"...

    MSRP: $82.97
    $72.15
  • Sale
    Ronstan Series 30 Utility Block - Triple, Loop Top RF82

    Ronstan Series 30 Utility Block - Triple, Loop Top RF82

    Series 30 Utility Block - Triple, Loop TopFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications:Vang,...

    $42.29
  • Sale
    Ronstan Series 30 Utility Block - Double, Loop Top RF81

    Ronstan Series 30 Utility Block - Double, Loop Top RF81

    Series 30 Utility Block- Double, Loop TopFeatures:Lightweight durable constructionEconomicalMaintenance freeProduct Information:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Applications:Vang,...

    $31.92