Blocks
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Low Friction RingsSKU: PRH130Low Friction rings are simple aluminum rings which can be spliced into lines. They are used to deflect sheets and control lines or for lashings. They are made of high strength aluminum. Available in 6 different sizes. Learn More
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Lead RingSKU: HK32Harken® Lead Rings are simple, weight-saving devices used to route line for jib in-haulers, twings, barberhaulers, lazy jacks, cascading backstays and other applications requiring minimal fine-tune adjustments. Rings are Hard Lube-anodized 6061-T6 aluminum for a smooth, slippery surface, and with no moving parts, wear is minimal. 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 BB Orbit Block, Single, Becket, Swivel Head RF45110SKU: RF45110Swivel shackle head for unlimited block rotation.
Stainless steel shackle head and compatibility with sharp fixing points.
Ultra low profile integrated becket. Learn More -
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, Single,Bkt,Cleat,SwivelHead RF45130SKU: RF45130Single, Becket, Cleat, Swivel Head* Learn More
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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 Ball Bearing Orbit Block Fiddle, cleat* RF45521SKU: RF45521Both Ronstan BB and RT Orbit Blocks™ feature strong, lightWeight fibre-reinforced cleat arms. They have a wide range of adjustment and calibration marks, perfect for selecting your preferred cleating angle settings. The race-proven carbon-fibre reinforced Ronstan C-Cleat give secure rope holding with low entry and exit efforts, and are fitted with fairleads for fast action from any angle. Learn More
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Series 40 Ball Bearing Orbit Block Fiddle, becket, cleat* RF45531SKU: RF45531Easily fitted and securely retained Dyneema® Link head. LightWeight integrated Dyneema® link becket. Composite C-Cleat and fairlead Learn More
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Series 40 RTA Orbit Block,Auto, Single, Swivel HeadSKU: RF46100Fully Automatic load sensing ratchet engagement. Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Learn More
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Series 40 RTM OrbitBlock,Manual, Single, SwivelSKU: RF46100MNow 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, 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 60 Core Block, Single RF64100SKU: RF64100Core 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 thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More
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Series 60 Core Block, Single, Alum. Rope/Wire Sheave RF64100AWSKU: RF64100AWCore 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 thrust bearing feature and the resilience to handle high dynamic or static loads. Learn More