Feature:1. Suitable for 3Dprinter, can reduces cutting force and crushing bit, improves hole wall quality.2. Special designed for processing PCB SMT CNC board, mold, plastic, copper, stainless steel and other precise metal parts processing.3. Tungsten carbide material manufacturing ensuring maximum durability and high hardness.4. A total of 10pcs printer drill bits of the package, meeting your different demands and easy use.5. Excellent materials and fine grinding process can make the cutting edge of the bit sharper.Specification:Condition: 100% Brand NewItem Type: Printer Drill BitsMaterial: Tungsten carbide Bit: Approx. 0.2mm / 0.01inQuantity: 10pcs Usage: If the nozzle is blocked, gently rotate the drill clockwise, do not insert it directly, it will cause the drill to break..Package List:10 x Printer Drill BitsNote:When cleaning the nozzle, be sure to heat the nozzle to 200C.