Folding rotating hand wheel, personality design, easy to operate, all plastic shell, high insulation strength. Provide water when cutting the next door to prevent excessive temperature damage to the saw blade. Aviation grade aluminum profile refined, high density, wear-resistant, not easy to deformation or broken teeth, precision run-in, teeth uniform. Fast connection between controller and host, safe and convenient. Semi-automatic. Quick disassembly track. Fully automatic. Water inlet value. Rotating handwheel. Aluminum profile track. Quick connection plug. The maximum cutting depth of the concrete wall cutter 20.07 ?inches, and the diameter of saw blade is 47.2 inch. The cutting depth can be adjusted by the folding rotating hand wheel. With a water inlet valve to provide water when cutting the wall to prevent excessive temperature damage to the saw blade. Two 47.2in Long Rails: Equipped with 2 track, the blade of concrete wall cutter can slide along the rail automatically to ensure the safety of the operators. or you can manually control the movement of the saw blade without using the track. Material: Adopt aviation grade aluminum profile refined, high density, wear-resistant, not easy to deformation or broken teeth, precision run-in, teeth uniform, not stuck teeth.It can be used to cut or slit reinforced concrete,brick walls and stone materials. Digital display, real-time monitoring of the host operation data, adjustable speed.Fast connection between controller and host, safe and convenient.