Series 5 54mm Crusier Blocks - Fiddle - Swivel, Becket & Cam Cleat BlockSwivel Fully swivelling head with removable shackle.BecketA clevis forming part of one end of a sheaveCam cleat blocks Fitted with Kevlar "K" cams (unless otherwise stated). Cam arms are fully adjustable by moving the locking clevis pin to achieve the correct cleating angle. Used in conjunction with the relevant top block, this range of blocks is particularly useful for mainsheet, vang tackles or downhauls on dinghies, dayboats or light cruising yachts This range of high load cruiser blocks are of rugged construction, featuring high quality injection moulded side plates with all loadcarrying components from 316 grade stainless steel. Side plates are through-bolted and riveted for added strength and security.This good looking and versatile range is designed for use on larger cruising and racing yachts. All are designed for ease of use with our ball bearing mainsheet traveller systems. A comprehensive range of cam cleat, fiddle, and fiddle and cam cleat versions are available Plain bearing blocksBarton plain bearing blocks have a precision moulded Acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.Length:209mm (8.23")Sheave Size:Single: 54mm x 17mm (2-1/8" x 5/8")Fiddle: 38/64mm x 17mm (1-1/2 / 2-1/2" x 5/8")SWL: 750kg (1,650lbs)Max Rope Diameter: 12mm (7/16")Break Load: 1,500kg (3,300lbs)