High Density Sliding Track System offers a unique way to maximize and efficiently move wire shelving systems. The patented design allows for quick and easy installation. Bearings in the skate are located under each post for a load capacity of 1,500 lbs. per shelving unit. The V-groove floor track allows the shelving unit to slide back and forth with ease. Layout assistance is available. Features and Benefits: Cuts construction costs Fast installation Low shipping cost Utilizes the structure of existing shelving NSF approved Complies with ADA regulations Uses industrial bearings 1,500 lb. load capacity per unit Corrosion free construction Can increase storage areas up to 150% Easy to roll construction.