General description Sealey Premier Crow's Foot Spanner Set features chrome molybdenum steel jaws with a 3/8" square drive, designed for limited access applications. This 10-piece set is suitable for daily professional use and comes supplied on a convenient storage rail. Technical specifications Material: Chrome Molybdenum steel Drive: 3/8" square Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm Model No.: AK598 EAN: 5024209365475 Other information