30 Pcs 1mm Spherical Head Diamond Mounted Points Grinding Product Name : Diamond Mounted Point;Tip Shape : Round Ball;Model : 15# Material : Metal, Diamond;Head Diameter : 1mm/ 5/128" Shank Diameter : 3mm/ 0.118";Total Length : 45mm/ 1.771" Case Size : 143 x 60 x 20mm / 5.6" x 2.4" x 0.8"(L*W*T);Color : Silver Tone Weight : 107g;Package Content : 30 x Diamond Mounted Point,1 x Case