Ronstan Series 60 Core Block - Halyard, Screw Pin with Roller Head adapter 4165002 - 1/2" UNC Dim

4165002 - 1/2" UNC Dim (a) (mm):12

For use when flushing out your engine

Intrusion: 85mm

UV stabilised Acetal sheave

that places the pickup lower and towards the rear of the boat

Ronstan Series 60 Core Block - Halyard, Screw Pin with Roller Head adapter 4165002 - 1/2" UNC DimCore 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