Dustproof, waterproof and durable No built-in amplification is required, and there is no deviation caused by the fluctuation of the power supply voltage due to the position temperature of the tool setting instrument. Can be directly input like NC program The alarm signal is reflected in time, and an alarm signal is issued in time when the overtravel is performed, so as to avoid other troubles caused by the operation of the equipment. High precision and strong anti-interference. Name: Engraving machine automatic tool setting instrument Color: silver + black Material: Alloy Voyage: 5mm Output mode: B: NC Pre-trip:almost zero Repeatability: 0.001mm Protection structure: IP67 Contact force: 1.5N Contact material: hard alloy Housing material: grinding 4S Protection tube: 1m minimum bending radius R25 LED light: off when working normally Packing list: 2 x CNC tool presetter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.