Features: 1.High Hardness: These wood drilling bits are manufactured by advanced process and made of premium alloy material in high hardness, strong and durable. 2.Hard Wood Drilling: This drill bit set is perfect for drilling hard wood, which can easily drill precise smoothing holes with no chipping in hard wood or soft wood. 3.Wide Application: These hard wood drill bits are suitable for drilling holes on wood, plastic products, furniture, door hinge and desk. Used on cutting wood, plywood, solidwood boards, plastics, etc. 4.Widely Compatible: These tipped drilling bits are compatible with electric drill, bench drill, large power electric grinder, compressed air drill, magnetoelectric drill and pistol drill with drill chuck great than or equal to 10mm. 5.15 Pieces: You will receive 15 pieces of wood drilling bits that are well packed in the wooden storage box, easy to carry and use. specification:Item Type: Wood Drilling Bit Material: Solidwood, Alloy Applicable Device: Compatible with Electric Drill, Bench Drill, Large Power Electric Grinder, Compressed Air Drill, Magnetoelectric Drill and Pistol Drill with Drill Chuck Great than or Equal to 10mm Range of Application: Suitable for Drilling Holes on Wood, Plastic Products, Furniture, Door Hinge and Desk. Used on Cutting Wood, Plywood, Solidwood Boards, Plastics, Etc PackageList:15 x WoodDrillingBit 1 x Storage Box