'Forged from Chrome vanadium Steel with a black phosphate finish for corrosion protection. Drop forged and heat treated. Expert Quality 6 point single hex deep sockets 63mm long. 

Specifications: 3/8" Drive. Deep Sockets

 Size: 10-11-13-14- 17-18-19-21-22-24mm. Single hex 6 point design. Hole for accessory spring loaded ball and packed in blow moulded case for protection in transit.