Stanley? FatMax? 14-563W Straight-Cut Aviation Snips make a versatile addition to a toolbox. They are equipped with a double over wind spring for longer life and feature serrated cutting edges that prevent materials from slipping. A special compound design enables them to cut up to 18-gauge steel. Slip-resistant cushions provide for a secure grip and a built-in security latch automatically releases with the squeeze of the handles. These Stanley snips are suitable for cutting aluminum vinyl siding screening cardboard leather and copper.