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. Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads- stand up features a flexible plastic spring for anti-tumble action, Base :67mm, Fastening: 6mm  Length mm: 140 Sheave 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: 347g