Blocks
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16mm hook-in halyard blockSKU: HK391The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 181 kg and it weights just 13 gram. Learn More
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16mm Airblock with swivelSKU: HK417The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 339 kg and it weights just 18 gram. Learn More
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16mm Airblock flip flopSKU: HK437The 16 mm is Harken's smallest racing block. It is perfect for small control lines (up to 5mm ) found on small sailboats and boats up to 30 foot. The bearing system uses stainless steel balls and has a 113 kg maximum working load, a breaking load of 544 kg and it weights just 21 gram. 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 BB Orbit Block, Single,Bkt,Cleat,SwivelHead RF45130SKU: RF45130Single, Becket, Cleat, Swivel Head* 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 50 AP Block, Single RF51100SKU: RF51100Exceptionally high working loads
Low maintenance, long service life Learn More -
Series 50 AP Block, Single Becket RF51110SKU: RF51110All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads Learn More
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Series 50 AP Block, Double RF51200SKU: RF51200All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads Learn More
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Series 50 AP Block, Double, Becket RF51210SKU: RF51210All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. Learn More
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Series 50 AP Block, Triple RF51300SKU: RF51300All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. Learn More
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Series 50 AP Block, Fiddle RF51500SKU: RF51500All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. Learn More
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Series 50 AP Block, Fiddle, Becket RF51510SKU: RF51510All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. Learn More
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Series 50 AP Block, Fiddle, Becket, Cleat RF51530SKU: RF51530All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. Learn More