Carolus 1/4" Square Drive Socket – Phillips PH0

The Carolus 1/4" square drive socket with Phillips PH0 bit is designed for precise screw fastening in automotive, electrical, and general maintenance applications. Features a ball retention groove that secures the bit in place, reducing drop risk during overhead or awkward-angle work. Built to DIN 3120 and ISO 1174 standards, this socket is ideal for technicians and trade professionals who demand reliable tool performance.