Ronstan Series 60 Core Block - Mast Base, Clevis Pin Head MUDX Elevate your control on the

Elevate your control on the water with this top-notch steering kit

Course Over Ground (COG) and actual heading (compass

Smallest and lightest ball bearing block available

Includes mounting bolts -

Ronstan Series 60 Core Block - Mast Base, Clevis Pin Head MUDX Elevate your control on 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