Special Scoket Design Allows Access In Narrow Areas. 1/2″ Drive Double Square Drive – Regular 1/2 Hand Ratchet, 22 mm (7/8″)x50 mm, Suitable for Heated And Unheated Oxygen Sensors and with Open Socket Allows To Pass Over The Wire. Socket for Car Brands Like: VW, Audi, BMW, Mercedes, Ford, Opel, Seat, Renault,…. Socket Depth-50mm