Ronstan Series 45 Core Block - Single, Swivel Shackle Head propeller repair "These are no doubt the

"These are no doubt the most comfortable jackets available"

Design features Pump body: Bronze

Spline Driven with  12 rubber splines

Fitted in conjunction with canopy bow ends for mounting of canopy to vertical and near vertical surfaces such as coaming sides

Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction

Ronstan Series 45 Core Block - Single, Swivel Shackle Head propeller repair "These are no doubt 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