Ronstan Series 60 Core Block - Single, Fiddle, Cleat ronstan ball bearing series 40 - triple becket swivel shackle head Additional hardware supplied enables the

Additional hardware supplied enables the box to be mounted securely to flat surfaces

Twin spline shaft drive -

to provide front lever operated fore and aft sliding of seat

Large backing plate

Log Glands suit a variety of Shaft & Hose sizes

Ronstan Series 60 Core Block - Single, Fiddle, Cleat ronstan ball bearing series 40 - triple becket swivel shackle head Additional hardware supplied enables theCore 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