Series 3 45mm Block - Fiddle - Reverse Shackle Fiddle - Reverse ShackleRemovable shackle that can be set in-line or at 90° to the sheave.A strong, lightweight range of blocks for use on dayboats and cruising yachts. Ideal for mainsheets, vang tackles, lead blocks or wherever a powerful and compact purchase tackle is required.A comprehensive range of cam cleat, fiddle, and fiddle & cam cleat versions are availablePlain 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:162mm(6.37")Sheave Size:Single 45mm x 14mm (1-3/4" x 35/64")Fiddle: 30/58mm x 12mm (1-3/16" /2-1/2" x 35/64")SWL: 385kg (848lbs)Max Rope Diameter: 10mm (3/8")Break Load:740kg (1,698lbs)