Features:        1.CNC Z-Axis router mill touch plate Mach3 tool setting probe new milling hot kit.        2.CNC router engraving Mach3 machine tool setting auto-Check instrument 1.38inch        3.CNC router mill: Z-Axis tool setting touch plate works w/ Mach3.        4.Bottom insulation knife block: suitable for processing woodworking, acrylic, plastic, iron, steel and other materials.        5.The tool setting device is mainly composed of a tool setting block and a feeler gauge to determine the relative position of the clamp to the cutter.            Description:        1.This tool is effective for you to set Z-Axis height, zeroing and fine-tune the z-axis.        2.It functions well within many CNC management software, as Mach 3, gbrl Control etc. 　.            Specifications:        Product name: MACH3 Cutter Aligner        Product use: various engraving machines        Knife surface: diameter 25mm        Line length: 1.2m        Specification: knife setting block (with double wire)        Power mode: AC        Use: suitable for processing wood, acrylic, plastic, aluminum, iron, steel and other materials            Package Included:        1 * MACH3 Cutter Aligner            Notes:    1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.    2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.