Pine Car P4039 Diamond Finishing System

For the slickest spin, give your axles an ultimate mirror-finish! Equivalent to an 8000-grit finish, this specially formulated diamond compound removes the finest axle and hub imperfections and scuffs. Use as the final finish to a progressive polish with the Micro-Polishing System (P4038). Kit contains enough material to finish axles and hubs for five racers. Works with one-piece and nail-type axles.