Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot Ideal for sheet leads and

Ideal for sheet leads and control lines on dinghies and catamarans

Sold complete

press the buckle cam lever to release strap tension

4" Diameter Body

This lightweight design has been tested to over 100 PSI and has been a favorite among world class boat racers for years

Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot Ideal for sheet leads andCore 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