The PSM 18 LI is really versatile and has been designed for a variety of sanding projects, including working in corners, on edges, and on medium-sized flat surfaces. Enjoy quick sanding attachment changes thanks to the SDS system. The triangular tip is rotatable to ensure optimal sanding paper use. Sanding paper changes are quick and easy due to the hook-and-loop fastening system. This multi-sander can be used on hardwood, softwood, varnished and painted surfaces, metal, and stone to complete projects on furniture, doors, frames, and stairs. The Microfilter System box reduces dust.