Cheap And Discounts YHSINO KA500 Slim Linear Encoder 70 120 170 220 270 320 370 420 470 520MM for Lathe Mill CNC Machine Wholesale. Buy Directly From Merchant Drogiitao Digital Readout and Linear Encoder Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.