Features: brand new and high quality. Easy to install and use. High precision, smooths surface, exquisite design. Practical and useful tool for engraving machine. Greatly improve the accuracy, save for time and convenient for operation. Made of high study high carbon steel material and it will provide long-term strength and use for many years. Suitable for processing woodworking, plastic, aluminum, iron, steel and so on. There are 3colors,blue, gold and silver. You can choose one or more accoording to your likes. Specifications: Material: High Carbon Steel Size: approx 133x80mm/5.24x3.15 inches Color: Blue/Gold/Silver Package Includes: 1x Engraving Machine Automatic Tool Setting note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!