Our drywall sander is suitable for grinding of the floor, wall and ceiling. With the long handle, three-metre high ceilings and surfaces can be reached without ladders or scaffolding. Special design of the head structure can smoothen any uneven wall.There are increased foam pad and ring brush on the gringding disk, grooves and scratches are thus avoided. It is easy to replace the sanding paper. Handle is made of top quality aluminum, light weight with humanized designed grip and back strap can save the muscle power. There are 5-levels adjustable speed for different requirement. In order to satisfy usage requirement and improve work efficiency, the sander is equiped with a set of constant speed device with the function of spinning speed complement to avoid damage by overload. There is much dust while wall grinding, in order to do its job neatly, the sander must be used together with industrial vaccum cleaner. The sander with enclosed pipe and connector is easy to use once the vaccum cleaner nozzel is plugged. It is very simple and reliable for your use.