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Keelboat / J70 / Blocks / Flip Flop Blocks

Flip flop blocks are designed to pivot around a central fixing point, this keeps the rope close to the deck, mast or boom whilst still allowing the block to articulate to the correct lead angle, ensuring friction stays as low as possible whilst still guiding the rope to where it needs to go.


We offer a range of 20, 30 and 40mm sheave sizes and with or without cam cleats.


Breaking Load - The load at which a major failure is likely to occur.


Working Load - Based on the maximum working load of the cam cleat.

SKU Title breaking load kgfixing hole centres mmfixing hole diameter mmmaximum line diameter mmmaximum working load kgsheave diameter mm Length mm Weight g Price
A2133-77 30mm Flip Flop Block With A..77 Cleat 750205810030 - 128 £93.30