Using this Klein 2 - in - 1 insulated electronics screwdriver is easy. First, decide which bit you need - the #0 Phillips or the 1/8 - inch Slotted bit. You can quickly change the bits thanks to the interchangeable shaft. Just pull out the current bit and insert the one you want. Then, hold the screwdriver by the Cushion - Grip™ handle for a comfortable and firm grip. Use the spin cap for more precise control when turning the screwdriver. When working, remember that this screwdriver is designed for use near energized sources, but always make sure to follow safety regulations. The 1000V insulation protects you, but it's still important to be cautious. After use, wipe the screwdriver clean with a dry cloth. Store it in a dry place to prevent rust. Don't expose it to extreme temperatures or harsh chemicals, as this can damage the insulation and the tool itself.