Fits 21 mm and 13/16in. spark plugs
Ultra-strong tool steel construction
Slim skeleton profile
Use with a 3/8in. 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 24 mm internal hex axles
Through hole allows use of screwdriver or holding rod
Light weight
Patent pending
