Dynamite's 7 in 1 - 1/4" Drive Tool Set w/Handle gives users one tool for all of their hex driving needs when building and maintaining a 1/10th scale vehicle. The multi hex wrench set comes with the 6 most popular hex sizes with ¼" drive tips that securely store within the handle for compact storage and convenience. In addition, the ¼" drive ends will lock into any electric handheld drill or screwdriver.