Carolus Socket 1/4" S/B 5mm – Square Drive

The Carolus 5mm Socket features a 1/4" square drive connection (DIN 3120-C 6.3) designed for use with hex socket screwdriver bits and power tools. It includes a ball retention groove (ISO 1174) to secure bits firmly in place during operation, reducing slippage and improving torque transfer. Ideal for automotive technicians, mechanics, and electricians requiring precision fastening tools.