Drop-forged Chrome Vanadium steel with contoured shafts. Fully hardened, tempered, chrome plated and fully polished for resistance to corrosion. Flare type spanner jaw suitable for most common sizes of compression joint fittings. Three spanners covering six sizes. Features & Benefits:Drop-forged Chrome Vanadium steel with contoured shafts.Fully hardened, tempered, chrome plated and fully polished for resistance to corrosion.Flare type spanner jaw suitable for most common sizes of compression joint fitting.Three spanners covering six sizes, 10 x 11, 13 x 14, 15 x 17mm.Lifetime guarantee*.Model No. AK600 Specifications: Model No AK600 Brand: Premier Contents: 10 x 11, 13 x 14, 15 x 17mm Nett Weight: 0.26kg