30mm Silverline 1/2" Drive Socket Metric

Manufactured from chrome vanadium steel, hardened , tempered chrome plated and polished, chamfered ends for positive nut location and special radius design to give added torque and life expectancy. Sockets have a knurled band for extra hand grip and a hole for positive ball retention. Manufactured in accordance with DIN3124/ISO2725 and DIN 31 20/ISO 1174.