Universal Joint Spark Plug Socket 3/8″D 21mm
Size: 21mm single Hex (6pt) x 3/8″D x 82.4mm long.
Outside diameter: 27.6mm; inside depth: 26.7mm.
Universal joint head provides excellent access to confined areas.
Manufactured from chrome vanadium. Fitted with rubber insert to protect and hold the spark plug.
16mm universal joint socket also available please see Laser Part No. 2657.