AmazonSquare drive as per DIN 3120 - C 12.5, Iso 1174 With ball retention groove Color: Silver Socket 1/2" bi-hexagon 20mm, Weight: 0.17 Pounds, Manufacturer: Carolus
Square drive as per DIN 3120 - C 12.5, Iso 1174 With ball retention groove Color: Silver Socket 1/2" bi-hexagon 20mm, Weight: 0.17 Pounds, Manufacturer: Carolus