eBay

DRO DIGITAL READOUT DISPLAY WITH 600MM / 24" SCALE SET (NEW)
*Large LCD display with metric/inch/fractional data display, including 5 control keys: ON/OFF, mm/in/fractional, ZERO, ABS, SET (1/32, 1/64, 1/128), with connecting cable, bettery and fixing accessories, and also easy to fix (with magnetic on the back) on drilling, lathe, milling, grinding metal machine as well as wood machinery such as wood lathe, thickness, planner etc. 
*600mm new aluminium alloy scale can  be cut at any length to fit your specified machinery and save money (this scale is only suitable for using in dry condition)
*Display device with magnets, hanging hole, fixing plate for your different fixing choice.     
*Precision measuring, accuracy: 0.01mm (0.001")
*Scale total length: 600mm (24")
*Max. measuring range: 0-500mm (0-20")
*Cable length: 1320mm