Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot Swivel cleat bases permit easy

Swivel cleat bases permit easy cleating and releasing from any angle

Selector Fork to suit Argo V Drives that have a dog/gear select mechanism

Ideal for sheet leads and control lines on dinghies and catamarans

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

Designed for corner mounting rope lead application

Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot Swivel cleat bases permit easyCore 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