"Super thin design for those limited access work areas","Precisely machined to be strong and durable","Made of hardened chromium-vanadium alloy steel with mirror chrome finish","Includes sizes: 6mm - 25mm, 27mm, 28mm, 30mm, 32mm","Packaged in a durable plastic holder 12 PIECE MASTER METRIC THIN FLAT WRENCH SET TW80412M | Matco Tools