Ronstan Series 60 Core Block - Mast Base, Clevis Pin Head outboard resistant PVC and thermo plastic

resistant PVC and thermo plastic

engine parts

Billet Polished aluminum accessory bracket

Rear mount (mounts over transmission)

Ronstan Series 60 Core Block - Mast Base, Clevis Pin Head outboard resistant PVC and thermo plasticCore 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