Our Multi-Task System (MTS) upper structures for stand-alone workbenches enable you to configure above-the-worksurface storage and accessories into an organized, task-oriented working environment that will adjust up and down with the worksurface on which it is mounted. MTS are excellent for upgrading your existing benches on a budget.• Unlimited flexibility in arranging workstations to fit changing requirements• Retrofits to most other workbenches• Smaller size frames easily mount to larger benches• Heavy gauge verticals and tie beam at top of frame system• Slots are on 1" increments center to center