Lightweight Dyninger Air-Powered Abrasive Finishing Tool, for use with Spindle-Mount, Arbor-Mount and Eyelet Sanding Stars. 0-3,200 RPM, .4 hp. For running arbor-mount abrasive stars or Dynacushion wheel. Includes 12980 Arbor (1/2" diameter) for mounting up to five 4" diameter arbor-mount sanding stars (1/2" center hole). Arbor includes spacers to be used between the stars for added flexibility. (Stars sold separately.) For whitewood/sealer sanding, light deburring of metal, or fabrication and finishing of composite surfaces. Excellent for use on wooden parts, moldings, raised panels and intricate profiles. Eliminates raised grain and removes loose fibers when whitewood sanding as well as scuffing sealer coats. Tool includes 94407 Air-Flow Control Dynaswivel fitting for maximum tool maneuverability and control.