30 Pcs 1.5mm Ball Nose 3mm Shank Diamond Mounted Point Grinding Bits Product Name : Diamond Mounted Point;Head Design : Round Ball Shape Material : Alloy, Diamond;Head Diameter : 1.5mm/ 0.059" Shank Diameter : 3mm/ 0.12";Total Length : 45mm/ 1.77" Color : Silver Tone;Weight : 105g Package Content : 30 x Diamond Mounted Point