This product is designed for slotted, wood screw holes. Woodworking cutter intended for use with portable and desktop woodworking engraving machines; not suitable for electric drills, drilling machines, or similar tools. Suitable for processing hardwood, cork, wood, and other synthetic wood materials; avoid use on copper, iron, and other metal materials, as well as sand, stone, and other non-wood materials. Wide usage, made of high-quality hard alloy with high toughness, excellent wear resistance, high-speed cutting capability, high hardness, and abrasion resistance, ensuring efficient performance and long service life. Name: Extra Long Straight Router Bit Use: Woodworking Tools Diameter: 8mm Length: 113mm Material: Hard alloy Color: Yellow Package Contents: 1 x Straight Router Bit Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3cm.