The Draper 03040 Long Imperial Combination Spanner Set from 5/16 to 1.1/4\", open-ended and ring spanners The Draper 03040 is a 14 Piece, Long Imperial Combination Spanner Set of Professional Quality. Forged from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Polished bi-hexagon ring and jaw offset at 15°. Features: Polished bi-hexagon ring and jaw offset at 15° Forged from chrome vanadium steel hardened Chrome plated for corrosion protection Contains: 14 x Spanners: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1.1/16 , 1.1/4\"