The Blair Flanger makes a Perfect Step Joint Fast and Easy.*****Repairs made in Half the Time with Absolutely no Stretching or Distortion.*****Makes a Perfect Joint (even through Underbody Deadener, in Sculptured Contours and on High Crowns).****No Need to Remove Parts of the Automobile... with the Blair Method, all work is Performed from one side.*****Lightweight 7" cam Action Flanger Springs open for Quick Position of next Compression.*****