For the racer that likes to service there own supercharger this tip strip micrometer is a handy tool to have when servicing your blower. Simple to use by placing it on the rotor, the 1.50" diameter micrometer will let you know what the strip height is when you pull the rotors out and what it is after you turn it down before installation.
Micrometer has a .250" indicator travel and reads in .0005" so precision is at the users fingertips.
Micrometer stand is made from .750" billet alum. and is easy to hold with two finger spots so you can grip the tool while checking the strip height.