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 ring combination. Supplied in EVA foam storage tray. Tray Size (W x D x H) : 384 x 289 x 25mm. SIEGEN BY SEALEY Part of the Sealey range of quality tools at competitive prices. 12-POINT WALLDRIVE - Allows up to 30% more torque without damaging DROP FORGED CHROME VANADIUM STEEL Hardened and tempered, with nickel chrome plating for corrosion resistance. 32PC SET WITH METRIC AND IMPERIAL SIZES - Metric Sizes Combination Spanners: 6, 7, 8, 9, 10, 11, 12, 13, 14, 17, 19mm; Stubby Spanner Sizes: 10, 11, 12, 13, 15mm. AF Sizes Combination Spanners: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"; Stubby Spanner Sizes: 3/8", 7/16", 1/2", 9/16", 5/8". SUPPLIED IN EVA STORAGE TRAY For easy storage solutions. Tray Size (W x D x H) : 384 x 289 x 25mm.