7mm Hex Ball End Bit Socket. 3/8" Drive to fit any 3/8" ratchet or extension bar. 110mm total length for reach into deep set, difficult to access areas. Ball-end allows for use at a slight angle. Made from chrome vanadium steel. Specification: Bit Size: 7mm. Bit Length: 85mm. Total Length: 110mm. Bit Shape: Hex.