Ronstan Series 75 Core Block - Double Foot table this air horn is always

this air horn is always ready for action

Low profile and compact

Block cheeks are manufactured from the highest quality alloy for maximum strength

Simplicity of design and construction to facilitate maintenance and servicing

5 turns lock to lock

Ronstan Series 75 Core Block - Double Foot table this air horn is alwaysCore 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