Blocks

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Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100]

Series 40 Ball Bearing Block - Single - Universal HeadSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent...

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Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171]

Series 40 Ball Bearing Block - Single Upright LeadLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded...

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Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]

Series 40 Ball Bearing Block - Triple - Swivel HeadFeatures: Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs for easy bearing maintenance Features a swivel shackle head for...

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Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]

Series 40 Ball Bearing Orbit Block - CheekFeatures: Ultra Lightweight Low friction 2-stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating...

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Ronstan Series 40 Ball Bearing Orbit Block - Single - Becket - Cleat - Swivel Head [RF45130]

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...

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Ronstan Series 40 Orbit BB Double Block w/Becket Swivel Shackle [RF48210]

Series 40 Orbit BB Double Block with Becket & Swivel ShackleThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and...

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Ronstan Series 40 Orbit BB Quad Block w/Swivel Shackle [RF48400]

Series 40 Orbit BB Quad Block with Swivel ShackleThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load...

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Ronstan Series 40 Orbit BB Quin Block w/Swivel Shackle [RF48500]

Series 40 Orbit BB Quin Block with Swivel ShackleThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load...

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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...

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Ronstan Series 40 Orbit RT Block w/Quin, Becket, Cleat Swivel [RF46530]

Series 40 Orbit RT Block with Quin, Becket, Cleat & SwivelThe Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and...

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Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]

Series 40 Orbit Single BB Single Stand-Up 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,...

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Ronstan Series 40 Ratchet Orbit Block - Single - Auto - Swivel Shackle Head [RF46100]

Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle HeadAutomatic RatchetWith automatic models, the ratchet mechanism engages when load is applied, but switches off when it's released....

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Ronstan Series 50 All Purpose Block - Double [RF51200]

Series 50 All Purpose Block - DoubleAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with...

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Ronstan Series 50 All Purpose Block - Fiddle - Becket - Cleat [RF51530]

Series 50 All Purpose Block - Fiddle - Becket - CleatFeatures Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability...

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Ronstan Series 50 All Purpose Block - Fiddle - Becket [RF51510]

Series 50 All Purpose Block - Fiddle - BecketFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock™...

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Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100]

Series 50 All Purpose Block - Single - Universal HeadAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform...

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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™...

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Ronstan Series 50 All Purpose Block - Triple [RF51300]

Series 50 All Purpose Block - TripleFeatures: Exceptionally high working loads Low maintenance, long service life Self-lubricating Acetal polymer sheave ensures low friction and extreme durability Slotted pin shackle eliminates fouled...

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Ronstan Series 50 Ball Bearing Block - Single Loop Top [RF50101]

Series 50 Ball Bearing Block - Single Loop TopSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance...

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Ronstan Series 55 Ball Bearing Orbit Block - Single - Becket - Swivel Head [RF55110]

Series 55 Ball Bearing Orbit Block™ - Single - Becket - Swivel HeadLightweightKilogram for kilogram of working load, BB and RT Orbit Blocks™ are the world's lightest. The unique orbital...

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Ronstan Series 55 Ratchet Mount Orbit Block - Fiddle Becket Swivel [RF56510]

Series 55 Ratchet Mount Orbit Block - Fiddle Becket SwivelFeatures: Up to 20:1 holding power Smooth easing of sheets High performance cleating Automatic ratchet blockNow you can enjoy the flexibility...

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Ronstan Series 55 Ratchet Orbit Block - Single - Swivel Head - Auto & Manual [RF56100]

Series 55 Ratchet Orbit Block™ - Single - Swivel Head - Auto & ManualAutomatic Ratchet BlockNow you can enjoy the flexibility of setting up your ratchet blocks to suit yourself....

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Ronstan Series 75 Core Block - Single [RF74100]

Series 75 Core Block™ - SingleCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated...

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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")...