Contents:3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-1/4" Manufactured from Chrome Vanadium steel. Fully polished heads. Made to DIN standard and TUV/GS approved. Size clearly marked on spanners.