Barton Size 5 Ball Bearing Block Stand Up N15170

High load cruiser block of rugged construction, featuring high quality injection moulded side plates with all load ~carrying components of 316 grade stainless steel. Side plates are through ~bolted and riveted for added strength and security.Good looking and versitile block, designed for ease of use on larger cruising and racing yachts. Ideal for use with Barton Ball bearing mainsheet traveller systems. With our unique super ~low friction ball race systems, featuring acetal sheaves and delrin ball bearings, running on a large diameter centre boss. This allows us to fit more load ~bearing balls, which ensure extremely low friction performance, even under high loads – Features a flexible plastic spring for anti ~tumble action, Base 67mmm. Fastening: 6mm Length mm: 170 Weight: 329Sheave size: 55mm x 17mm (2 1/8 x 5/8")Fiddle: 38/64mm x 17mm (1 1/2" / 2 1/2" x 5/8")Max rope diameter: 12mm (7/16") SWL: 750kg (1650lbs)Break load: 1500Kg (3300 lbs) Length: 140mmWeight: 329g ~ >!!