[Multifunctional & Wide Usage] Designed to enlarge and round bevel existing holes, and suitable for shaping tasks in porcelain, hard ceramic, marble, and stone. This chamfer bit efficiently creates rounded indentations, ideal for accommodating pipes or electrical wiring, making it a valuable tool for construction, renovation, and crafting projects. [Exceptional Material] Crafted from premium diamond and durable metal, this countersink drill bit offers high strength and hardness. It enhances edge finishing on exposed holes, delivering a smooth and polished result. [Cost & Time Efficient] Save time and resources with this diamond beveling chamfer bit by creating multiple hole sizes using a single standard core bit, reducing the need for multiple specialized bits. [Easy Operation & Usage Precautions] This diamond chamfer bit can be used with or without water and is simple to operate. Note that it is not intended for drilling new holes, but only for enlarging, shaping, or beveling existing holes to help achieve precise results with ease. Material: Diamond Color: Gold Package Contents: 1 x Diamond Chamfer Bit Note: Light reflection and display differences may cause slight variations between the color in the image and the actual item. Measurement may vary by +/- 1-3 cm.