Often used in the automotive and aerospace industries, these 3/8in. square drive screwdriver bit sockets are available ina range of metric sizes. The weight to strength ratio ensures the reliability and accessibility that is important in industrial environments. Made from chrome vanadium steel, fully chrome plated with a mirror finish and aluminium-free to ensure non sparking. All have ball retaining grooves. Features and Benefits Available in a variety of metric sizes to suit your requirements Manufactured from chrome vanadium steel for maximum durability Chrome plated mirror finish allows for an easy tool clean as well as further bolstering the product's resistance to corrosion Ball retaining grooves ensure a positive lock with accessories Typical Applications DIY Aerospace Construction Automotive Standards Conform to DIN standards