Ronstan Series 60 Core Block - Single, Fiddle ronstan utility block series 25 30 narrow - fiddle tube rivet these fenders exude the classic

these fenders exude the classic European style

More flexible core/looser fit has an easier feel

Dog Clutch Sliders to suit a variety of applications

This approach leads to an overall sloppy feel

7/8" mount bolt

Ronstan Series 60 Core Block - Single, Fiddle ronstan utility block series 25 30 narrow - fiddle tube rivet these fenders exude the classicCore 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