Features: The kit includes a center punch, 7 3-pointed countersink drill bits, 6 5-flute countersink drill bits, 8 wood plug drill bits, 3 step drill bits and an L-wrench. Made of high-quality high carbon steel, bearing steel and brass, strong and wear resistant, sharps edges, stable performance and high efficiency. The center punch helps you pre-mark the center point you want to drill, and antislip handle design with replaceable cap has a comfortable grip. With strong compatibility, it is suitable for wooden planks, fiberboard, particle board, plywood, plastics, alumiumn board, pcb-board, etc. It is compatible with various electric and manual engraving machines and suitable for wood drilling, woodworking chamfer, pilot holes drilling, etc. Specifications: Material: High Carbon Steel + Bearing Steel + Brass 3-Pointed Countersink Drill Bits: 3mm, 4mm, 5mm, 6mm,7mm, 8mm, 10mm 5-Flute Countersink Drill Bits: 6mm, 8mm, 9mm, 12mm, 16mm, 19mm Claw Wood Plug Drill Bits: 6mm, 10mm, 13mm, 16mm Cartridge Wood Plug Drill Bits: 6mm, 10mm, 13mm, 16mm Step Drill Bits: 4-12mm, 4-20mm, 4-32mm Package Size: 230 * 140 * 30mm/ 9.1 * 5.5 * 1.2in Package Weight: 930g/ 2.1lb Packing List: 1 * Center Punch 7 * 3-Pointed Countersink Drill Bit 6 * 5-Flute Countersink Drill Bit 8 * Wood Plug Drill Bit 3 * Step Drill Bit 1 * L-Wrench