Using this Wera 334 slotted flat head screwdriver is easy. Just insert the tip into the slotted screw and turn it. For high - speed work, use the smooth hard zones. When you need more torque, grip the soft zones. Remember, this screwdriver is for slotted screws only, don't use it on other types of screws. After use, clean it with a dry cloth to keep it in good condition. Store it in a dry place to prevent rusting. If you have any questions, feel free to refer to the product catalog or contact us.