The Slide Pro is a fast, hands-free installation system for any drawer slide. Install a whole set of slides at once, instead of one at a time! Use the adjustment shelves to align with the cabinet railings, then tighten the tension knobs to hold in place, and install the drawer slides to the perfect height every time. It is durability and accurate measurements make it great in the shop and out on the job for any cabinet drawer installations. MAX INSTALLATION HEIGHT OF SLIDES: 26.75"