10PCS Engraver Diamond Point Tungsten Carbide Steel Bits & Spare Parts Set for UTOOL Engraving Tool ^Sale

???4 Tungsten Carbide Steel Bits: 1/8'' shank, Made of ultra-fine grain carbide material, processing hardness can reach HRA=80.
•???4 Diamond Bits: Suitable for Utool engraver and most rotary tool, leave smooth and coherent shallow on the surface of work piece.
•???1 Allen Wrench matches with 1 Chuck Tightening Screw: F1/16'' diameter, Able to installing or removing accessories flexibly.
•???Multipurpose: Use on stone, glass, metal, hardwood, tile, ceramics, marble, granite and other hard materials with suitable speed.
•???Performance: High wear resistance, high strength and hardness, anti-impairment and long tool life for engraving and carving.