Ronstan Series 75 Core Block - Stand-Up, Swivel ronstan wire block - single tubular rivet head with nylon swivel to protect

with nylon swivel to protect your ropes

Stroke 228mm (9")

Ronstan Series 60 AP Deck Organiser - Sheave

They fit directly to all 1997 & On Rack mechanical helms

Ronstan Series 75 Core Block - Stand-Up, Swivel ronstan wire block - single tubular rivet head with nylon swivel to protectCore 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