Unusual size (18mm), single hex (6pt) 1/2" drive spark plug socket, as found on some modern vehicles. A good quality, standard socket manufactured from chrome vanadium with clearly etched size markings and a rubber insert to protect and hold the spark plug for safe, secure removal.
Size: 18mm single Hex (6pt) x 1/2"D x 65mm long. Common size for BMW and MINI.
Outside diameter: 25.7mm; inside depth: 28.7mm
Fitted with rubber insert to protect and hold the spark plug.
