My Eleksmaker Explained what can it do in my Worst Way Laser engraver With 30X40cm ultra large engraving area, gantry shape design, no engraving height limitation. 2.5w eleksmaker elekslaser-a3 desktop laser engraving machine cnc print $! b the seller is 4seasonwin and is located in this country us. But you need to find the the slide rail by yourself, we do not provide such extended slide rail.