Using this Wera 334 SK slotted flat - head screwdriver is a breeze. Just pick the right - sized screwdriver for your slotted screw. Place the tip firmly into the screw head and start turning. The smooth hard zones allow for quick turning, and when you need more force, the soft grip zones will help you transfer high torque effectively. When using, make sure the tip is well - seated in the screw head to avoid slipping and damaging the screw or the surface around it. As for maintenance, keep it clean after use. You can wipe it with a dry cloth. Store it in a dry place to prevent rusting. And don't forget, with the color - coding feature, it's easy to find the right tool for your next job.