Features:- Made of premium high speed steel, featuring high hardness & good wear resistance & long service life.- With fine workmanship, large chip flute and keen edges, featuring fast chip-removal & stable performance & high efficiency- 39Pcs woodworking chamfer drilling tools set including 8pcs wood plug cutter + 7pcs three-point countersink drill bit + 7pcs core drill bit + 6pcs 1/4 inch hex 5 flute 90 degree countersink drill bit + 8pcs twist drill set + 2pcs L-type wrench + 1pc automatic center punch.- Wood plug cutter bits set including 8 different sizes (12mm/10mm, 14mm/10mm, 19mm/10mm, 22mm/10mm, 10mm/9.5mm, 14mm/9.5mm, 17mm/9.5mm, 20mm/9.5mm) for meeting various requirements.- 3-Pointed countersink drill bits set including 7 different sizes (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm) for meeting various requirements.- Core drill bits set including 7 different sizes (5/64", 7/64", 9/64", 11/64", 5mm, 13/64", 1/4") for meeting various requirements.- 1/4 inch hex 5 flute 90 degree countersink drill bits set including 6 different sizes (6mm, 8mm, 9mm, 12mm, 16mm, 19mm) for meeting various requirements.- Made of solid brass, the automatic center punch will help you mark the center point where you want to drill, and the knurled non-skid handle with replaceable lid features comfortable grip and extra strength.- Compatible with various electric and manual engraving machines and suitable for all kinds of wood drilling, woodworking chamfer, pilot holes drilling, etc.Specifications:Quantity: 39PcsMaterial: High Speed SteelSurface Treatment: Titanium CoatedColor: As shown in the picturesPackage Size: Approx. 20*13*5cm / 7.87*5.12*1.97inPackage Weight: Approx. 920g / 32.45ozPacking List:8 * Wood Plug Cutter6 * 1/4 Inch Hex 5 Flute 90 Degree Countersink Drill Bit7 * Core Drill Bit7 * Three-Point Countersink Drill Bit8 * Twist Drill Bit2 * L-Type Wrench1 * Automatic Center Punch