Ronstan Series 60 Core Block - Single Foot temp To replace and secure the

To replace and secure the cap

key driven

Hose connection ports - dual 1/2" internal female thread and 25mm external hose barb

Other brands just link together their single blocks with a heavy steel channel across the top of the block

Ronstan Series 60 Core Block - Single Foot temp To replace and secure 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