【HIGH QUALITY】 4 Pieces carbide burr set are made of premium Tungsten Carbide, more durable and long service life, good economic returns 【DESCRIPTION】This carbide burr set includes 4 sizes, 2.35mm/4mm/5mm/6mm. double slot grinding head. diameter of shank is 2.35mm(3/32 inch) 【ADAPTABILITY】3/32 inch shank fits dremel and most small rotary tools with three jaw chuck for accurate centering. An ideal choice for your DIY woodworking, carving, engraving, and polishing 【EFFECTIVE】The carbide burr set cut through extraneous material like a hot knife through butter. No wear out after a long time use and great for detail work 【APPLICATION】Suitable for Hard wood, Balsa,Aluminum,Copper,Metal,Steel,Plastic,Cast Iron, Cobalt, Nickel, Titanium, Zinc and so on Color 4 Pcs D Type Burr Shape Ball Shape Material Carbide Steel & Alloy Item Weight 0.352 ounces Part Number QH517D Manufacturer Luo ke Batteries Included No Batteries Required No Package Dimensions 3.9 x 2.32 x 0.35 inches Included Components 4 pieces 3/32'' shank double cut tungsten carbide ball burr