Ronstan Series 45 Core Block - Stand-Up, Swivelling ronstan rope 40mm sheave alloy torlon ball bearing 14mm high/thick

14mm high/thick

Coupling to suit either:

Suits narrow (N1-N7) feet

rebuild kit to Jabsco 52040 Boat Water Pump

Ronstan Series 45 Core Block - Stand-Up, Swivelling ronstan rope 40mm sheave alloy torlon ball bearing 14mm high/thickCore 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