AmazonSquare drive as per DIN 3120 - C 6.3, Iso 1174 With ball retention groove Torn = REG. Trademark of acumen intellectual properties, LLC. USA Socket 1/4" protruding TORX E10, Weight: 0.03 pounds, Manufacturer: Carolus
Square drive as per DIN 3120 - C 6.3, Iso 1174 With ball retention groove Torn = REG. Trademark of acumen intellectual properties, LLC. USA Socket 1/4" protruding TORX E10, Weight: 0.03 pounds, Manufacturer: Carolus