Consolidate space with simple to install tracks. Floor track kits include a pair of aluminum tracks with end stops and all hardware and assembly instructions. Tracks are secured to floor via anchor bolts and silicone should be applied after mounting. Skate kits include 2 skates and all necessary parts and hardware. Skates are aircraft quality aluminum with stainless steel bearings. One skate kit is required for each mobile shelving unit. NSF, ADA. Warranty: 1 Year Against Defects in Materials & Workmanship. Ships from DE.