If you have any questions or are not satisfied when you are using the engraving pen, please contact our after-sales support. We will be more than happy to help you deal with it until you are satisfied. In order to give you a better experience,after receiving the product, please fully charge it and then use it. Wide Range of Applications: This etching tool supports you to beautify and engrave in any material supplier, such as glass, wood, eggs, plastic, jewelry, ceramics, leather, rings, etc. You can use this tool for engraving, grinding, polishing, drilling, and cutting. Set of Items: 30 engraving bits, 3 saw bits, 1 connecting stick, 2 drill bits, 1 polish bit, 1 Allen wrench, 4 stencils, and 1 USB charging cable. Meet your engraving needs as much as possible. Low Noise: The sound of this cordless rotary tool is very low when working, even if someone is sleeping, he or she will not feel very noisy. Great for beginners and professionals to use anytime, anywhere to make unique creations that you like. High Speed: The speed of this engraver tool for metal is about 5000-18000r/min, and different speeds are used to engrave different materials. The engraving pen is lightweight and ergonomically designed to give you precise control and engraving. Intelligent Power-Off Protection: Rechargeable USB type-C charging metal engraver pen, there is a built-in overload protection chip, when the resistance is too high, it will automatically power off to protect it, and prolong the service life of the jewelry engraving machine.Style: Pencil. Maximum Rotational Speed: 18000 RPM. Special Feature: Lightweight, Cordless, Rechargeable. Color: Silver. Brand: PTUI. Date First Available: July 26, 2022. Best Sellers Rank: #11,563 in Arts, Crafts & Sewing. Customer Reviews: 4.0 4.0 out of 5 stars 685 ratings 4.0 out of 5 stars. : B0B7MY9SZ6. Warranty Description: ?1 year manufacturer. Batteries Required?: ?No. Batteries Included?: ?No. Special Features: ?Lightweight, Cordless, Rechargeable. Item Package Quantity: ?1. Item model number: ?PEN0726. Country of Origin: ?China. Product Dimensions: ?7.87 x 5.12 x 1.18 inches. Item Weight: ?7.4 ounces. Part Number: ?PEN0726. Manufacturer: ?PTUI. Minimum Speed: ?5000 RPM. Item Dimensions LxWxH: ?7.87 x 5.12 x 1.18 inches. Style: ?Pencil. Maximum Rotational Speed: ?18000 RPM. Special Feature: ?Lightweight, Cordless, Rechargeable. Color: ?Silver. Brand: ?PTUI.