ITEM NAME:50pcs Titanium Coating High Speed Steel Drill Bit Set Tool 1/1.5/2/2.5/3mm Hot.HSS Drill Bit Set For Wood, Plastic And Aluminum. Material :High Speed Steel with Titanium coated. 50x Drill Bit. hope understand. Can not use for Stainless Steel Material. It may be longer. 2.5 mm 10 pcs.
