King Dick Socket SD 1/2" Insert Hex Bit Metric 4mm

• 31Cr-V3 chrome-vanadium socket with satin nickel-chrome plated finish • Chrome-molybdenum inserted bit with bright plated finish • Precise heat treated & machined to exceptional accuracy • Durable, reliable & long-lasting • Manufactured to DIN 3124 & DIN 3127Socket manufactured from 31CrV-3 chrome-vanadium steel with satin nickel-chrome plated finish. Chrome-molybdenum inserted bit with bright plated finish. Machined to exceptional accuracy within strict controls before precise heat treatment. Polished and satin finish for corrosion resistance. Durable, reliable and long service. Manufactured to DIN 3124 and DIN 3127.