Ronstan Series 75 Core Block - Single, Becket, Universal Head inboardparts Allows the strap to move

Allows the strap to move without rubbing against the edge of the boat

It is ideal where space is at a premium on small boats or sailing dinghies as it's minimum length is only 450mm (18")

houses a 57mm (2 1/2") deep groove nylon sheave

12 Volt low 2

Ronstan Series 75 Core Block - Single, Becket, Universal Head inboardparts Allows the strap to moveCore 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. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for