20mm Single Tii-On Block 40 mm Sunstop UV-treated thread

Sunstop UV-treated thread

Ratchet blocks feature an internal ratcheting mechanism which only allows the sheave to turn in one direction

Ideal for use with soft shackles as rope stops or spliced to the end of a halyard to make a quick and easy attachment for the sail

lightness and resilience

These design features make the aluminium cam cleat perfect for applications which may have a fast-running control line

20mm Single Tii-On Block 40 mm Sunstop UV-treated threadOur Tii On blocks feature a stainless steel loop at the head of the block. This gives our Tii On range maximum strength and reliability with minimal cheek separation when tied on and loaded up with a soft shackle. The stainless steel head loop also ensures the block stays in the right orientation when being used. When attaching a Tii on block you must feed the rope around the central axle and through the head of the block. Tii On blocks rely on the