Ronstan Series 60 Core Block - Single, Universal Head aero 6mm) diameter

6mm)  diameter

Stroke 228mm (9")

• Use ONLY when boat is parked or docked (NOT recommended for use when trailering)

Can be used for safety flags etc

Includes a carb bushing kit to maximize cable to linkage efficiency

Ronstan Series 60 Core Block - Single, Universal Head aero 6mm) diameterCore 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