"Klein® Tools makes a wide variety of tools designed for sheet metal and HVAC applications, including this 5-Blade Crimper. With just the squeeze of a handle, this crimper produces factory-precision indentations in stove pipe and round duct. A combination of the compound-leverage mechanism, heavy-duty jaw/handle linkage, and closing stop provide easy operation and consistent crimps for virtually leak-proof connections."

"The Klein® Tools Straight Hand Seamer helps make working with sheet metal, duct work, non-ferrous metals and tubing easy. This hand seamer is used for most general applications. The hand seamer has a compound-leverage design which helps give an accurate and powerful grip making tight seams. The steel jaws are places in 1/4 in. increments for accurate bending measurements."

"The Klein® Tools Hand Notcher allows you to make clean and quick "V" shaped cuts in sheet metal. This tool is made of steel with a nickel-plated and black-oxide finish for added durability. This hand notcher has a hook design which helps in notching of corners and take-off tabs with little to no slippage. The steel handles have hand guards on them for added safety. The handles also have vinyl grips for added comfort."

"Use this cutting and notching tool to punch 3/8'' (10 mm) wide impressions on metal edges to join pieces of sheet metal, duct or pipe. The compound-leverage mechanism provides greater control and easy operation. Durable construction for long life."

Take the guesswork out of stripping solid, stranded, and Romex® wire with the Klein® Tools Self-Adjusting Wire Stripper/Cutter. As the name suggests, this tool features a self-adjusting stripping head for quick, precise wire stripping. It's especially useful in panels and other places where multiple types and sizes of wire are present. Great for HVAC applications.