Blocks
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45mm Black Magic double loop blockSKU: HK3390Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
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45mm Black Magic loop blockSKU: HK3389Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
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57mm Block Single Loop (loop not includedSKU: HK3214Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
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57mm Aluminium Footblock - LockoffSKU: HK3221Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Block Single Loop (loop not includedSKU: HK3230Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Learn More
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75mm Aluminium Footblock - Black MagicSKU: HK3234Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Footblock Double Black MagicSKU: HK3235Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Learn More
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75mm Air Runner Block Single/BecketSKU: HK3239Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Learn More
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100mm Air Runner Block SingleSKU: HK3251Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Learn More
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Series 40 Ball Bearing Orbit Block Single RF45101SKU: RF45101Ultra LightWeight . Low friction 2-stage Orbital ball bearing system. Highest working load in its class. Low profile and compact. High performance cleating. Easily fitted and securely retained Dyneema® Link head Learn More
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Series 40 Ball Bearing Orbit Block Single, becket RF45111SKU: RF45111Ultra low profile becket
Easily fitted and securely retained Dyneema® Link head Learn More -
Series 40 BB Orbit Block, Cheek RF45151SKU: RF45151Base suits curved mounting surface. Low mounting points for maximum strength Learn More
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Series 40 Ball Bearing Orbit Block Double RF45201SKU: RF45201Single inner cheeks for minimum Weight & size. Easily fitted and securely retained Dyneema® Link head Learn More
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Series 40 Ball Bearing Orbit Block Fiddle RF45501SKU: RF45501Easily fitted and securely retained Dyneema® Link head
Convert to a becket version by adding a Dyneema® link Learn More -
Series 40 Ball Bearing Orbit Block Fiddle, becket RF45511SKU: RF45511Becket fiddle blocks use a Dyneema Link attachment for the sheet termination and are suitable for both spliced and un-spliced lines. If you need additional purchase, a becket take-off can be simply added to any fiddle block version just by adding a Dyneema Link Learn More
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Series 40 Ratchet Orbit Block Single, AutoSKU: RF46101Now you can enjoy the flexibility of setting up your fitout exactly to suit yourself. Ronstan is the only company that offers a 40mm ratchet block with both auto and manual engagement models* Learn More
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Series 40 Ratchet Orbit Block Single, ManualSKU: RF46102Manual modes allow the ratchet mechanism to be switched on or off as required. This is the preferred mainsheet set-up for many top sailors. Learn More
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Series 40 RTA OrbitBlock,Cheek,Clockwise RotationSKU: RF46151Clockwise rotation. Fully automatic, load sensing ratchet engagement. Recessed underside to suit curved mounting surface. Low mounting points for maximum strength Learn More
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Series 40 RTA OrbitBlock, Cheek, Anti-Clockwise RotationSKU: RF46151AAnti-clockwise rotation. Fully automatic, load sensing ratchet engagement. Recessed underside to suit curved mounting surface. Low mounting points for maximum strength Learn More
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Series 55 Ball Bearing Orbit Block Single RF55101SKU: RF55101Easily fitted and securely retained Dyneema Link head. Learn More