Manufactured in accordance with BS2558 Specifications Double ended, manufactured from high quality carbon steel, zinc plated for corrosion protection. Sets include tommy bars. Display packed. Contents: 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17 and 18 x 19mm, with two tommy bars 100mm and 150mm long|Part No: 5225/6/MM