Extend your 3018 CNC Y-axis from 290 mm to 450 mm, get a 320*450mm Basic Area, 320*370mm Movement Area, 300*320 Actual Stroke. Upgrade your 3018 CNC X-axis with a aluminium knob, save your hand from gettting dirty when trying to turn the screw by hand. Pls kindly to know that it DOES-NOT extend the X axis. Compatible with most 3018 Pro series CNCs, 3018 Pro, 3018 Pro Max, etc. And pls note that your 3018 CNC should be equipped with ∅8 mm T8 lead screw, ∅10 mm guide rail, and no counterbore on the End Plates for Rails. Easy to Assembly. And great value to upgrade your 3018 CNC and get a bigger one. Longer limit switch cable for the Y axis is required. The original limit switching cable may not be long enough., Manufacturer: Daedalus