Drop-forged Chrome Vanadium steel combination spanners. Hardened, tempered and nickel chrome plated for corrosion resistance. Fully polished mirror finish. Open-end and 12-point WallDrive(r) ring combination. Supplied in an EVA storage tray. Part of the Sealey Premier range for daily professional use. Chrome Vanadium steel is drop forged for increased durability and strength. Open-end and 12-point WallDrive(r) ring keeps knuckles clear of obstructions. Nickel chrome plating provides corrosion resistance and a fully polished mirror finish. Set includes sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. Supplied in an EVA foam storage tray for easy storage. Tray Size (W x D x H): 185 x 275 x 25mm. Lifetime guarantee.