MaterialSolid alloy material, study and durable for use. Practical and useful tool for an engraving machine. CNC Router MillZ axis tool setting plate works with Mach3. Easy to useGreatly improves accuracy, saves time, and is convenient for operation. Easy to installHigh precision, smooth surface, exquisite design. ConnectionConnect the cable of this tool to the tool port of your machine's control board. Then connect the GND of the control board to the frame of your router (the frame of the router and the spindle must be connected.) Specifications: Material: alloy Color: black + red Product size: approx. 35*25mm/1.4*1.0in Weight of the package: approx. 53g Packaging includes: 1 x engraving machine tooldelicately rich