ITEM NAME:6Pc 1/4" Hex Shank Spade Flat Wood Boring Drill Bit Set 10/12/16/18/20/25mm YM Descriptio n Description: 1. The Cutter Head Is Made Of High Quality High Carbon Steel And Has A Hardness Of HRC55-HRC60 After Heat Treatment. 2. Unlike Other Woodworking Drills, The Product Head Is Specially Designed With Two Cutting Edges On Both Edges For Precise Positioning And Labor Saving. 3. The Product Is Easy To Use And Can Be Used On Bench Drill, DC And AC Hand Drills. Specifications: Material: Carbon Steel Color: Titanium-Plated Gold Dimensions: Length 14cm Drilling Diameter: 10mm, 12mm, 16mm, 18mm, 20mm, 25mm Package Included: 6pcs Flat Drill Set *1 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. We offer you what you need! 6pc 10-25mm Set 1/4" Hex Metric Spade Flat Wood Boring Drill Bit Titanium Coated.We'd like to settle any problem in a friendly manner. The Product Is Easy To Use And Can Be Used On Bench Drill, DC And AC Hand Drills. 6pcs Flat Drill Set 1. Unlike Other Woodworking Drills, The Product Head Is Specially Designed With Two Cutting Edges On Both Edges For Precise Positioning And Labor Saving.