Ronstan Series 60 Core Block - Single, Rope/Wire Sheave anchor which is 10 times stronger

which is 10 times stronger and lighter than steel

Suits 22mm hex drive

Made of tin plated copper for high conductivity with insulated ABS base

Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy

RWB7708  - Silver / black

Ronstan Series 60 Core Block - Single, Rope/Wire Sheave anchor which is 10 times strongerCore 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