Ronstan Series 60 Single Block Fasteners 91200-fits masts with circumferences of

91200-fits masts with circumferences of 23" and larger with corresponding mast collars of up to 37" (584 to 940 mm)

Lewmar's Ocean winch range is the most popular winch ever made

A complete range of single piece forged products for fastenings applications

Sewn Stripes

Breaking load (lb) - 4000 lb

Ronstan Series 60 Single Block Fasteners 91200-fits masts with circumferences ofCore 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