➢Fits perfectly with the Genmitsu 4040-PRO CNC router/engraving machine. ➢The dust mudguards can be mounted in the position between the worktop and the Y-axis to keep the dust out and thus protect the guide spindles. ➢ The sheets are made of high quality metal for better rigidity and durability. High strength and built to last. The package contains 2 dust mudguards and 4 M5 x 10 mm screws. ➢EASY INSTALLATION:All you need to do is install the included 4 screws to attach the dust guards to the front and rear modules of the machine., Manufacturer: Genmitsu