The Prazi Beam Cutter attachment fits most worm drive saw and will cut up to 18" on a 90 degree cut and up to 14" on a 45 degree cut. The Prazi Beam Cutter installs quickly and easily and also will fit the new Dewalt, Makita cordless worm drive saws. You can see full details at www.praziusa.com or call 617-901-2413 . Please visit us at the NECA tradeshow in Las Vegas at Booth # 2371.