Drop-forged Chrome Vanadium steel combination spanners heat treated and chrome plated for corrosion resistance. Open-end and 12-point WallDrive® ring combination. Supplied in storage tray. Features & Benefits:Drop-forged Chrome Vanadium steel combination spanners heat treated and chrome plated for corrosion resistance.Open-end and 12-point WallDrive® ring combination.Supplied in storage tray.Sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm.Lifetime guarantee*.Model No. S01232 Specifications: Model No S01232 Brand: Siegen Contents: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm Maximum Length: 140mm Minimum Length: 75mm Nett Weight: 0.885kg