TEKTON 5670 Body Filler Spreader Set, 3-Piece Use to apply body filler, putty and fiberglass resin Flexible construction follows contours, applying filler smoothly and evenly Color-matched mix indicator: body filler and hardener are properly mixed when color matches spreader color Self-cleaning: simply flex spreader to break off dried filler Sizes: 4-Inch wide by 2-1/2-Inch, 5-Inch wide by 3-Inch, 6-Inch wide by 3-1/4-Inch