Rockwell RK5100K SoniCrafter 21-Piece Kit Safe cutting - unique high frequency oscillation only cuts hard materials, so the users hands and fingers are much safer than a saw that rotates Smooth running - there are no fast spinning parts or alternating blades creating movement of the tool, only a high frequency oscillating action resulting in no kickbacks. Sonicrafter throws a very low level of dust whether your sanding, cutting or scrapping. Up to the edge and corners - with Sonicrafter you can get into difficult to reach areas that is not possible with a corc saw or jigsaw or even most sanders. High sanding capacity - with virtually no force or downward pressure required.