RB. Facom 1/2 and 1/4 Cup, 12c

Socket wrench Drive internal square 6.3 mm (1/4 inch) Thin-wall OutdriveOGV Ogv profile Ogv profile: more power and safety, protects the nuts.Thin wall. 900for better access .Polished chrome.Power source: Hand-operated, Weight: 0.0440924524 pounds, Manufacturer: Facom