The Elenco TK-8500 is all-in-one tool kit for HVAC technicians. It includes everything you need to start working today, all packaged in a durable tool bag.In addition to refrigerant gauges and a multimeter, the TK-8500 includes a variety of tools - lineman's pliers, a screwdriver set, pipe cutter and much more.The TK-8500 even comes with a tube bender so that you can bend line sets with ease.