The Easson 3 Axis Digital Readout Kit comes with a 5um resolution and has a professional display. It features an industrial-standard output signal interface and has 100% calibration capacity to deliver full accuracy. The double seal design of the readout unit makes it resistant to oil and water spills, thereby increasing the durability. The die-cast aluminum casing makes the readout meter sturdy and long-lasting and protects it against rust and corrosion. This readout kit includes three pieces of GS10 linear scale that features a high-precision etched glass for maximum accuracy. you can choose from the available models between 100mm and 1020mm measuring travel lengths.