Fits 16mm and 5/8" spark plugs
Ultra-strong tool steel construction
Slim skeleton profile
Use with a 3/8" square drive or 17 mm wrench
Innovative internal plug retention system
Protective black oxide coating
Easy to read laser etched markings
Can be used as an axle holding tool on bikes with 17 mm or 19 mm internal hex axles. Through hole allows use of screwdriver or holding rod
Light weight
Outer diameter 21.55 mm (0.848")