This Channellock 17-piece extra-long metric combination wrench set features chrome vanadium steel construction with a fully polished finish for a professional appearance. The blue color band denotes metric measurement for easy identification. The included canvas carry pouch makes organization simple. These wrenches have a lifetime warranty. Includes (1 of each): 6mm, 8mm, 9mm, 10mm, 11mm, 13mm, 15mm, 16mm, 17mm, 19mm, 21mm, 22mm, 24mm, 26mm, 27mm, 30mm, and 32mm.