Set of crows foot wrenches in ten common sizes from 10mm to 22mm for use with 3/8"" square drive extension bar and ratchet, for improved access in confined areas. Flare nut open Hex (6pt) profile drives from the flats to provide more torque without damaging the fastener, ideal for flared fixings & softer metals. The wrenches are manufactured from carbon steel with a chrome, fully polished finish and are supplied on a tool rail for convenient storage, with holes for wall or toolbox mounting. Designed for use with 3/8""D extension. Sizes: 10, 11, 13, 14, 15, 17, 19, 22mm. Flare nut Hex (6pt) head. Provides a secure grip for reduced risk of fastener damage, with open jaw to fit around pipes & cables. Manufactured from carbon steel with a chrome polished finish. Supplied on a wall mountable rail (320mm long). Other sets also available. Please see Laser Part No. 3288 (10pc rail set) & 4757 (10pc set).