Ronstan Series 75 Core Block - Double, Non-Swivel Head grant Mount screws: 6mm r/h

Mount screws: 6mm r/h

designed to fit gunwale rails that measure 2″ wide or less

and rocks - maintain your boat's value and look effortlessly

Suitable for both rope or wire

Ronstan Series 75 Core Block - Double, Non-Swivel Head grant Mount screws: 6mm r/hCore 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