Efficient: The yellow tip is made of high-quality brass, which is wear-resistant, rust-proof and durable. This drill bit is very useful in woodworking drilling. Choice: Available in 5 mm and 1/4 inch drill bits for different sizes of drill holes. Wide Application: These hinge claws reliably and accurately center holes for mounting hinges and other types of hardware. Widely used on wood and plastic, the chips will automatically remove these two side holes. Safe and durable: Cut-proof gears reduce consumption and make the product long-lasting. The 4241 high-speed steel drill bit is more sharp and traditional than durable and practical. Product Features: Remove material from the edge of the hole and cut out a disc of material. Ideal for installing locks, knobs in doors and cabinets or drilling larger diameter holes in tables etc. Features: Material: high speed steel 4241, brass Color: As shown in the picture Drill bit size: 1/4'' (6.35mm), 5mm (optional) Hexagonal handle size: 1/4 Package contains: Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. Color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)