This is a multi spindle drilling milling machine,it supportspindle integrated control for multi-head from 2 to 4pcs.The 4 spindle CNC router is very easy to use.You only need to save the position of the cutters in the tool path, then the system could realize the cutter auto changing according to the cutter code.So this four-axis CNC machine kitchen cabinet machine runs very efficiently and stably.https://buycnc.com/cnc-router/4-spindle-cnc-drilling-milling-machine/