This flanger tool by Blair features 50 % additional clearance for producing a radius. Repairs are complete twice faster with absolutely no stretching or distortion of material. This tool makes a perfect joint even through underbody deadener in sculptured contours and high crowns. With the Blair Flanger, all work is performed from one side - no need to remove parts of the vehicle. Lightweight 7 inch cam action flanger springs open for quick release and position of next compression. Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.