Phillips and Pozidriv cross-head screws – explained in simple terms
To counteract these disadvantages, J. P. Thompson patented a screw with a cross recess in 1933. He sold the patent to the Phillips Screw Company. It improved the profile and introduced the screw to th

New products for tire valves and plugs
In action – Tire valve screwdriver With the long blades, you can even reach valves that are difficult to reach, e.g. with trucks or cars. The short handle on the other hand is suitable for motorcycles