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 multimeter 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, upto 600 VAC/DC, Lo-Z measurement to eliminate ghost voltage, frequency to 50 kHz and resistance to 40 MOhm. 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 VAC 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. Milwaukee® Electrical Combo Kit, Series: ECX™, Specifications: 600 VAC/VDC, 4 Piece, Plastic/Rubber