Elora Long Imperial Combination Spanner Set (14 Piece) 03040. Professional Quality, forged from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection Polished bi-hexagon ring and jaw offset at 15 Carton packed. CONTENTS: 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 and 1.1/4.