10pcs Tungsten Carbide Rotary Burr Set

Looking for a better carbine burr set? This is the one you are looking for! The Tungsten Carbide Rotary Burr Set comes with 10 different tip that consist of inverted cone, pointed cone, round nose cone, pointed tree cone, ball nose cone, flame, ball, oval, cylinder and round nose cylinder tip! Perfect for any handcraft that uses rotary tools! Specifications Tungsten Carbide Burrs Shank diameter: 3mm(about 1/8") Shank Length: 35mm Cutting edge diameter: 6 mm Total length: 42-51 mm Material: Tungsten steel solid carbide Compatibility: Smaller rotary tools Questions & Answers1.Question: Can you use these on metal? My bits seem to wear quickly on metalAnswer: You can use these on soft metals, copper, brass, silver, gold, iron based metals very well. 2.Question: Are they good for removing skin from a gourd?Answer: I am a woodcarver and theses eat wood away like nothing. These have to be the best tungsten bits I have had in a while for that price I am sure they would take the skin r