The PCNC 440 is developed not only for little shops or hobbyists but for any machine shop looking for a solid secondary operation. Optional 4th axis rotary attachments could be included, producing this little milling machine a complex juggernaut. Chuck is predominantly used in turning centers and lathe machines. https://zionwkpds.blog2freedom.com/32380572/the-best-side-of-cnc-metalworking-machines