Various Drill Bits: 15Mm/16Mm/17Mm/18Mm/19Mm/20Mm/21Mm/22Mm/23Mm/24Mm/25Mm/26Mm/28Mm/30Mm/32Mm/35Mm. Your 16 Bits Can Be Easily Stored Between Jobs To Meet Your Needs. Your Different Needs.Alloy Steel; Titanium Hss: Manufactured Alloy Steel Titanium, Durable. The High Speed Steel Forstner Drill Bit Drills Overlapping Holes, Oblique Holes And Pocket Holes On All Kinds Of Wood, Which Is Convenient For Drilling Hinge Holes, Cylindrical Holes And Threaded Holes Of Computer Desks To Fix Household Cabinets.Precise X-Wing Design: High Quality Tools; Made Of Durable Steel, The X-Wing Design Can Provide The Best View, The Centering Tip Can Achieve Perfect Drilling And Precise Results; Cutting Edge Sharp, Hardness High, Precise Positioning, Low Resistance To Cutting, Improving The Opening Speed, Easy To Clean. Break The Shavings And Do Not Shake. Punching Is Neat, Smooth, No Broken Edges, Impact Resistance, High Toughness, Smoother And Less Noisy.Decorative Hole Punching: Used To Install The Spherical Head Of The Door And Drawer; Punch Wood Products, Plastic Products, Wood And Plywood. It Is Suitable For; The Installation Of Industrial Hinges, Processing And To Maintenance Of Wood, grave; The Manufacture Of Models, To The Door To; Marbles, To The Installation Of Drawers And grave; Other Occasions.Wide Range Of Applications: Suitable For Power Drills; Column, Drills Pistol, Bench Drills, Vertical Drills, Electric Drills; Hand, Electric Drills And Mobile Magnetic Steel Drills.