Barton Size 7 Ball Bearing Block Double Rev ShackleHigh load cruiser block of rugged construction, featuring high quality injection moulded side plates with all load-carrying components from 316 grade stainless steel. Side plates are through-bolted and riveted for added strength and security. This good looking and versatile block is designed for ease of use on larger cruising and racing yachts. Also, ideal for use with Barton's 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, with double removable shackle that can be set in-line or at 90? to the sheave. Length mm: 160 Weight g: 448 Sheave size: 64mm x 18mm (2 1/2 x 45/64inch) Fiddle: 44/72mm x 18mm (1 3/4inch / 2 53/64inch x 45/64inch) Max rope diameter: 12mm (7/16inch) SWL: 1000kg (2200lbs) Break load: 2000Kg (4400 lbs) Length: 160mm Weight: 448g |