These snips are used to cut sharp left angles, straight lines and tight diameter circles. Use for HVAC, Roofing, sheet Metal, Siding and Gutter work along with countless other tasks. The AV6 provides you with cutting ability for Aluminum, Copper, Stainless Steel, Galvanized Steel and Mild Steel. The cutting length is 1 1/4". It is a must have tool for any gutter / roofing work. Easily cut elbows, downspouts, outlet holes, miters etc.