uxcell 6mm Shank 20mm Cylinder Head Mounted Points Grinding Bit 2 Pcs Product Name : Diamond Mounted Point;Material : Metal, Diamond Head Diameter : 20mm / 0.8";Shank Diameter : 6mm / 0.24" Head Length : 20mm / 0.8";Total Length : 60mm / 2.4" Color : Silver Tone;Weight : 116g Package Content : 2 x Diamond Mounted Point