Lifetime warranty Adapter blade allows technician to use a variety of torque tool bits and sockets; Easy blade insertion, locks in place Hook & spudger tools and blade storage are built into the handle Automatic spring handle choose low impact for 24/26 gauge wire or high impact for 22 gauge wire Includes screwdriver blade, 110 and 66 ever sharp blades for termination into 110 and 66 wiring blocks For replacement blades search 'Fluke Networks 10056000'