Revolutionary - Titanium Nitride Coating. Guaranteed minimum of 3 times extended tool life. Faster, smoother & cooler finishing of all materials. Brand ; Goldies Coating : TiN (Titanium Nitride) Cut : Setting Dremel Code : Carving/Engraving Format : Setting Length : 0.9mm (.035") Made of : High Speed Steel Shank Diameter : 3/32" (2.35mm) Shank Type : HP Shape : 1 Tool : Rotary Tool Tool : MOTO-TOOL