It's a professional tools set for electricians to do various types of electrical work or other repair work. No matter if you are performing electrical repairs or just daily repairs, in general this set is a must have for any handyman or electricians tool box. Features: Ergonomic handle for maximum comfort and exceptional torque. Includes various types of bits to meet different electrical needs. Contains magnetic tips, conveniently attracts screws. Insulated design support withstanding voltage up to 1000V. Made of chrome vanadium steel, hardened for maximum wear resistance. Plug-pull tip design, easy to install and replace the bits, time-saving and efficient. Comes with a case, convenient for storage and portable for use. Specifications: Screwdriver Color: Red + Black + Yellow Handle Color: Red + Yellow Withstanding Voltage: 1000V Screwdriver Material: Chrome Vanadium Steel Handle Material: PP + TPR Handle Length: Approx. 10cm / 3.9in Voltage TesterLength: Approx. 14cm / 5.5in Set Includes: --Slotted Screwdriver: 0.5x3.0x100, 0.8x4.0x100, 1.0x5.5x100, 1.2x6.5x100 --PH ScrewdriverPH1x80, PH2X100 --PZ ScrewdriverPZ1x80, PZ2x100 --T ScrewdriverT10x100, T15x100, T20x100 --Voltage Tester --TPR Handle Case Size: Approx. 21.5 * 13 * 4.3cm / 8.5 * 5.1 * 1.7in Package Weight: Approx. 790g / 27.9oz Note: The voltage tester may only be used within the specified voltage range. Package List: 1 * Screwdriver Tools Set 1 * Case 2 * User Manual (English)