Manufactured from chrome vanadium with a highly polished mirror finish. 12 Point end and an open end giving you more grip on nuts and bolts. Combination Spanners in the following sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 & 24mm Supplied in a Plastic storage tray for easy storage and transportation.