02.2mm Steel Knife Edge Wheel Cutter - Germany - 3/32 inch shank ? widgetsupply.com

Tungsten Vanadium Steel has better strength and hardness than high speed steel. Tapers to a knife-like edge that cuts on the top as well as the side. For tight areas such as seats for prongs, carving flat surfaces or for scoring lines. Use with Dremel rotary tools. 3/32 inch shank. Made in Germany