Specification Binding : Misc. Brand : Daewon Industries Label : Union Company Manufacturer : Union Company MaterialType : Tungsten Carbide ProductGroup : Home Improvement ProductTypeName : DRILL_BITS Publisher : Union Company SmallImage_Height : 56 SmallImage_URL : https://m.media-amazon.com/images/I/41473nsqGQL._SL75_.jpg SmallImage_Width : 75 Studio : Union Company Title : 1.1mm to 2.2mm Versatile Tungsten Micro Drill Bits Japanese made for CNC PCB Installation, Toy Making, Model Cars Trucks Planes Boats, Arts & Crafts, Woodworking more. 2.2mm