uxcell 20mm Diameter Nose Head Silver Tone Grinding Diamond Mount Point Files Product Name : Diamond Mounted Point;Tip Shape : Round Ball Shape Material : Metal, Diamond;Head Diameter : 20mm/ 0.787" Shank Diameter : 6mm/ 0.236";Total Length : 71mm/ 2.8" Color : Silver Tone;Weight : 45g Package Content : 1 x Diamond Mounted Point