Features • Durable Brass Tip Construction: The yellow tip is crafted from wear-resistant brass, ensuring long-lasting performance and reliability for all your hinge drilling needs • Superior Sharpness for Efficiency: Featuring a high-speed steel 4241 drill bit, this tool provides sharper cuts and a longer service life compared to traditional options, enhancing your drilling experience • Precision Centering for Accurate Holes: Designed to reliably and accurately center holes for mounting hinges and hardware, this tool ensures a perfect fit every time • Versatile Usage on Wood and Plastic: Ideal for various materials, this tool automatically removes chips through its dual side holes, keeping your workspace clean and efficient • Two Sizes for Flexible Applications: Choose between 5mm and 1/4 inch drill bits to accommodate different hole sizes, making this hinge opening tool perfect for any project Features: 1、The yellow tip is made from brass which is wear-resistant, proof and 2、High speed steel 4241 drill bit is sharper and has a longer service life than traditional one 3、These hinge bit can reliably and accurately center the holes for mounting hinges and other types of hardware 4、Widely used on wood and plastic, chip will be removed automatically from these two side holes 5、There are 5mm and 1/4inch drill bits that you can choose for boring holes in different sizes Specification: Features: The yellow tip is made from brass which is wear-resistant, proof and . High speed steel 4241 drill bit is sharper and has a longer service life than traditional one. These hinge bit can reliably and accurately center the holes for mounting hinges and other types of hardware. Widely used on wood and plastic, chip will be removed automatically from these two side holes. There are 5mm and 1/4inch drill bits that you can choose for boring holes in different sizes. Specification: Material: High speed steel 4241, brass Color: As picture Drill Bit Size: 1/4'', 5mm(Optional) Hex Shank Size: 1/4'' Package Includes: 1 x Hinge Drill Bit Package List