Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot press the buckle cam lever

press the buckle cam lever to release strap tension

All-purpose bearing system provides maximum static load capacity

Swivel cleat bases permit easy cleating and releasing from any angle

stabilised Acetal sheave

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

Ronstan Series 45 Core Block - Halyard, Swivel Fork Head ronstan series 60 core block - double foot press the buckle cam leverCore 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