2220-20 Electrical Combo kit includes four tools and four accessories for the professional electrician working residential, commercial or industrial applications. The (2217-20) digital multi-meter is True-RMS and includes all the features that are needed to get the job done in the field, on-site or in the plant. It includes: high contrast white on black display for easy reading in all environments, cat III 600 V, up to 600 V AC/DC, lo-z measurement to eliminate ghost voltage, frequency to 50 kHz, and resistance to 40 Mohms. The (2202-20) voltage detector with LED is a rugged tool with the highest safety rating in the industry; cat IV 1000 V with a wide 50 to 1000 Volt AC range. It has a built-in LED that lights up any work area. The (48-22-1901) FASTBACK™ utility knife features one handed blade opening, tool free blade changes, built-in wire stripping, and integrated gut hook to cut without opening the knife. The (48-22-2114) 11 in. 1 multi-tip screwdriver has 10 bits and nut drivers most requested by professionals. The Milwaukee ECX™ bit (patent pending) has a superior fit for specialty screws. Includes electrical test lead set, dual banana thermocouple, magnetic meter holder, soft meter case, all batteries for the (2217-20) & (2202-20), and all manuals. Nothing But Heavy Duty®.