uxcell 30 Pcs 1.5mm Diamond Bit Carving Set 1/8" Shank for Rotary for Dremel Product Name : Diamond Grinding Bit Set;Type : Diamond Point Material : Alloy, Diamond;Shank Diameter : 3mm / 0.12" Each Length : 44mm / 1.7";Tip Diameter : 1.5mm Case Size : 145 x 60 x 20mm / 5.7" x 2.4" x 0.8"(L*W*T);Color : Silver Tone Total Weight : 98g;Package Content : 30 Pcs x Diamond Grinding Bit1 x Plastic Case