Roberts 10-91 Multi-Floor Cutter, 9-Inch Guillotine-style cutter cuts up to 9 wide and 5/8 (16mm) thick Extruded aluminum base with solid plastic surface as a comfortable working area Long handle provides extra leverage for more cutting power with less effort Movable guide allows 45 degree angle cuts Replaceable tungsten-steel blade provides a long-lasting working life and sharp and clean cutting edge