Blocks
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57mm Carbo T2 ratchamatic block 2x gripSKU: HK2170Power3 ratchet blocks provide sailors that race small one-designs with three holding-power options to handle a variety of wind and sea conditions. More choices allow sailors to fine-tune their set-ups in tandem with the purchase that provides the ideal level of power, responsiveness and grip. Learn More
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40mm Carbo T2 Soft Attach RatchamaticSKU: HK2159Harken 40 mm Carbo T2 Soft Attach Ratchamatic is suitable for up to 10 mm of rope and weighs only 25 grams. This automatic ratchet block has a max. working load of 136 kg and a breaking load of 454 kg. Learn More
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57mm Carbo T2 Soft Attach RatchamaticSKU: HK2160Harken 57 mm Carbo T2 Soft Attach Ratchamatic HK2160. This automatic ratchet block weighs only 71 grams and is suitable for rope up to 10 mm. This automatic ratchet block has a max. working load of 227 kg and a breaking load of 907 kg. 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 55 Ratchet Orbit Block Single, Auto & Manual RF56101SKU: RF56101Easily fitted and securely retained Dyneema® Link head. Automatic & manual ratchet block Learn More