The snips are color coded to enable work from two directions. I know what you're trying to say, but aluminum (of the thickness cut by snips) is also considered sheet. Aviation snips, also known as compound snips, are ideal for cutting aluminum and sheet metal. Snip blades are made of forged, heat-treated steel for superior strength and durability. With one in each hand, walk the tools … If you have only aviation snips, however, you can make such a cut by using the left-cutting and right-cutting snips together. Aviation snips are not designed to make long cuts in the middle of a sheet. Right-Cut Aviation Snips with Wire Cutter Cut and trim sheet metal in comfort with Cut and trim sheet metal in comfort with the Klein Tools right cutting Aviation Snips. The specialized shears are also commonly referred to as compound snips. The red coded snips … The best tin snips or aviation snips are designed with what’s known as an 0ff-set blade, this stops the metal cutters from jamming during a cut. For that, you’re better off with a pair of tinners. Expect to find this in both Standley, Malco, and Bessey tin snips. Those with a green color operate in a clockwise direction. A unique integrated wire cutter on outside of blade cuts duct and ceiling suspension wire. Aviation snips come in handy when working with light metal sheets.