This XMSJ Aluminum CNC Frame Kit 1712 Spindle Motor 775 Collet ER11 DIY CNC Wood Router Engraving Machine Rack Stroke 170x120x40mm has a table size of 120x190mm and a frame size of 284x282x243mm. It features an aluminum alloy (6061) construction with T8 screw thread, a 775 motor and ER11 24V clamp with 8000 rpm and a NEMA 17 42 two-phase 4-wire 1.3A 0 stepper motor .25 NM It is compatible with WindowsXP/Win7/Win8 and includes a GRBL control card.