20pcs 3mm Shaft Dremel Diamond Burr Glass Drill Bits Engraving Rotary Tool Set

Electroplated carving points  can be used on many materials such as glass, stone, hard wood, ceramic, shell and porcelain. To get the best life and usage out of your burrs use with a little water before or during use. Can be used in any rotary tool or flex shaft.Although last significantly less than sintered (metal bond) carving points. They are a great buy for beginners just starting to enter the carving field. This 50 piece shapes offers a large variety of cutting options. At very low costs. Shank Diameter: 3/32", 1/8" & 3.0mm; Total Length: 45mm