Drop-forged Chrome Vanadium steel combination spanners. Hardened, tempered & nickel chrome plated for corrosion resistance. Fully polished mirror finish. Open end & 12-point Wall Drive® ring combination. Contents: Combination Spanners; 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm, 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", Stubby Combination Spanners; 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. Supplied in storage tray. Model No. S01063