Sunwin CNC F Style A-Axis, 4th-Axis, Router Rotational Rotary Axis 3-Jaw 80mm+Tailstock Overall Dimension(mm): 200*200*100. 80mm 3-jaw scroll chuck. Chuck center height: 49mm. Ratio: 1:8(1600 P/R) synchronous pulley induction. Brand new NEMA23 stepper motor, 1.8degree, 2.2N.M 3.5A.