The Klein Tools 2103 Bulldog/Notch Cut Aviation Snip notch or trim 16 gauge cold-rolled sheet metal and 18 gauge stainless steel sheet metal.  The 2103 features forged and heat treated steel blades for strength and durability, a spring-load for self-opening action. and a latch to keep jaws closed when not in use.  Contoured plastic handles are comfortable and color-coded by cutting pattern.  These snips are quality tools that will stand the test of time.