Features: Phosphate finish for increased corrosion protection Manufactured from Chrome Molybdenum Steel Hardened and tempered for enhanced durability Supplied in a moulded case for easy storage Specification: 30mm socket – outer diameter of socket end is 43mm - Wall thickness is 6.2mm 32mm socket - outer diameter of socket end is 45mm - Wall thickness is 6.2mm 34mm socket - outer diameter of socket end is 48mm - Wall thickness is 6.4mm 35mm socket - outer diameter of socket end is 50mm - Wall thickness is 6.4mm 36mm socket - outer diameter of socket end is 51mm - Wall thickness is 6.7mm All sockets - outer diameter of drive end is 36mm Sizes: 30, 32, 34, 35 and 36mm 1/2"" Drive 12 Point Total length of socket: 78mm