Extra-long, drop-forged, Chrome Vanadium steel 12-point WallDrive® ring spanners. Hardened, tempered and chrome plated with a fully polished mirror finish. Covers 14 sizes. Supplied in storage tray. Features & Benefits:Extra-long, drop-forged, Chrome Vanadium steel 12-point WallDrive® ring spanners.Hardened, tempered and chrome plated with a fully polished mirror finish.Sizes: 8 x 10, 11 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 21, 22 x 24mm.Supplied in storage tray.Lifetime guarantee*.Model No. AK6311 Specifications: Model No AK6311 Brand: Premier Contents: 8 x 10, 11 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 21, 22 x 24mm Maximum Length: 430mm Minimum Length: 235mm Nett Weight: 2.82kg