Elora Long Combination Spanner, 10mm

Amazon

Professional Quality Chrome vanadium steel hardened, tempered and chrome plated for corrosion protection Size: 10mm Professional Quality forged from chrome vanadium steel hardened tempered and chrome plated for corrosion protection Jaws have accurate face openings and are offset at 15, Weight: 0.0881849048 Pounds, Manufacturer: Draper

Electrical World

Professional Quality, forged from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Bi- hexagon ring (not 5.5mm which is hexagon) and jaw offset at 15°. Sold loose.