Carolus 1/4" Socket – 6mm Hex Bit Holder

A square-drive socket designed to hold 6mm hex bits and screwdriver bits securely during fastening and assembly work. Built to DIN 3120 C 6.3 and ISO 1174 standards with ball retention groove for reliable bit engagement and minimal cam-out. Ideal for mechanics, automotive technicians, and trade professionals who demand precision and durability.