Ronstan Series 75 Core Block - Stand-Up Kit ronstan utility block series 60 75 - pivoting low lead ratchet Bluefins unique precision timing technology

Bluefins unique precision timing technology ensures

Description F38B-19

each set includes two protectors suitable for ropes up to 18mm in diameter

• Available as single or mixer units

Ronstan Series 75 Core Block - Stand-Up Kit ronstan utility block series 60 75 - pivoting low lead ratchet Bluefins unique precision timing technologyCore 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