Standard, 21 mm single Hex (6pt) spark plug socket. Designed for the safe, easy removal of spark plugs from car, motorbike and other petrol engines. Manufactured from polished carbon steel with a rubber retaining insert for secure spark plug removal.
• Size: 21 mm single Hex (6pt) x 3/8”D x 62 mm long
• Outside diameter: 27.6 mm; inside depth: 35.5 mm
• Fitted with rubber insert to protect and hold the spark plug