brand new and high quality. Features: The Shank of the stainless steel drill is 1/4'' inch. Suitable for the wood window or door tapping. Fast replacement composite cone, uses drill edged principle. Drilling and tapping, high working efficiency. High hardness, rustproof, solid and durable. Positioning accuracy, will not shift, the chips automatic discharge from either side of the top of the drill hole, don'for t stick drill. - They come in the 3 most common hinge screw sizes 7/64",9/64", & 11/64". - The 7/64" is good for drilling holes in smaller hinges and hardware like decorative boxes. - The 9/64" is for ideal for medium to full-size hinges and hardware. - The 11/64" is perfect for door hinges, gate locks and all large hardware. Usage instruction: Please adjust according to the hardness of the wood, if the wood is soft, choose a smaller size; If the wood is hard, you can choose a larger size or corresponding opening tool. Specification: Color: silver Material: high speed steel Size: 5/64'', 7/64'', 9/64'', 11/64'' Quantity: 1set Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 4 Hinge Hardware Drill 1 Wrench