Ronstan Series 60 Core Block - Stand-Up, Swivel keel shield Carbon black Acetal ball bearings

Carbon black Acetal ball bearings

Suited for larger size boats

Wire blocks suit halyards

Totally submersible pumps with water cooled

- Thermal cut-out feature prevents overheating when run dry

Ronstan Series 60 Core Block - Stand-Up, Swivel keel shield Carbon black Acetal ball bearingsCore 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