Ronstan Series 60 Core Block - Stand-Up, Swivel rubber flap Its holding power is up

Its holding power is up to 21:1

Hub: stainless steel

double bearing

Bolt Centre (C)

Protect your boat in style with the WHITE 7-foot Gator Keel Shield

Ronstan Series 60 Core Block - Stand-Up, Swivel rubber flap Its holding power is upCore 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