14-in-1 HVAC Screwdriver, with 14 interchangeable steel bits

14-in-1 HVAC Screwdriver with 14 interchangeable steel bits   The Groz HVAC Screwdriver with retracting cartridge has a patented retractable bit cartridge, making it easy to find, store and change 7 double-ended bits. These bits are made from Industrial Grade S2 modified steel with a Rockwell hardness 58-62. The screwdriver handle is made from specially engineered ABS resin, making it durable while protecting the magnetic bit holder that has an easy guide collar.  This screwdriver is perfect for the HVAC tradesman, this includes 14 bit tips featuring valve stem bit, square awl reamer bit, and double lock Philips #2 combo bit.