5pc Carbon Steel Rotary Rasp Files 1/4" Shank Die Grinders
Bit file dimensions (diameter x length): cylinder 7/16 (12mm) x 1", bull-nose cylinder 7/16 (12mm) x 7/8", ball 7/16" (12mm), short cone 7/16 (12mm) x 3/4", long cone 7/16 (12mm) x 1-1/4". Average length overall 2", average weight .6 oz.