Material Made of hard alloy, it has high wear resistance, high balancing accuracy and stable operation. High Hardness The drill bit is exquisite and practical, of high hardness, sturdy and durable, durable, precisely balanced and stable in operation. Features Cemented carbide blade has advanced welding performance, can provide stable quality and high efficiency, without worrying about cracking and tilting problems during work. The blade is sharp and durable, adopts arc curve design, is easy to disassemble, and has higher punching efficiency. Usage Used for slotted wood screw holes, punching of wood holes, installation of ballpoint pen tip, drawer tips, plastic products, wood, plywood, etc. Applicable Scene It is specially designed for portable and desktop wood carving machines and cannot be used for electric drills, drills, etc. High hook and shear angles allow smooth cutting in bearing, which results in clean, chip-free parts. Details: Material: Hard alloy Size6mm*47mm Color: As picture shows Net weight0.045kg Package: 3 *Tail T-Slot Router Bits Color: green, silver Delivered quantity: 3 pieces Note: Due to the different resolution of mobile phones and computers, colors may be different. Pay attention to the actual packaging.