Gives final touches for a perfect finish shaving down semi-hardened runs, sags or dust between colour and clear coats. Holder takes standard razor blades, set at a precise angle. Pass gently over the surface, dialling down the blade position indicator in .001 increments until the imperfection is gone. This unique method of repairing paint imperfections at the final stage was developed over years of testing in the paint shop by experienced painters looking for perfection. Comes with one blade. For spare blades, click here . For full set of run razor and run blockers , click here.