Original Wera 840/4 Z bits 3.0 x 152 Do you want to know something about screw tools? We are there for you worldwide and among the over 3,000 different tools is sure to have the right tool for you. 750 Wera Tool Rebels have fun reinventing screw tools every day and working on problem solving for you. We love innovation. We love design. We love rock 'n roll. With all the fun, we also have success. Our complaint rate goes towards zero. We are pleased to receive numerous awards from our customers and are proud of our design awards.