General description Sealey Premier Imperial Crow's Foot Spanner Set features chrome vanadium steel jaws with 3/8" square drives, designed for limited access applications. This 8-piece set is ideal for daily professional use and is supplied on a convenient storage rail. Technical specifications Material: Chrome Vanadium steel Drive Size: 3/8" Sq Sizes included: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 7/8" Model No.: AK599 EAN: 5054511678420 Other information