ITEM NAME:24pcs High Hardness Combination Drill Bit Set for Plastic, Metal, Concrete, Description: High hardness, good durability, professional drilling holes Various sizes and lengths in one drill bit set, meet your different needs Fits for drilling in wood, plastic, metal, concrete wall, etc. Compatible with all kinds of electric drill, percussion drill, bench drill Suitable for Home DIY, General Building or Engineering Use Specification: Material: HSS, Car.Compatible with all kinds of electric drill, percussion drill, bench drill. High hardness, good durability, professional drilling holes. Twist Drill Bit: 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm. Wood Drill Bit: 4mm, 5mm, 6mm, 8mm, 10mm.
