Skelang 4 Pcs Stem Leveling Machine Caster, Retractable Caster Wheel for Industrial Machine Equipment, Heavy Workbench, Movable Furniture, Total Load Capacity 2200Lbs

4 casters can hold 2200lbs in total. It's a perfect solution for heavy duty workbench, machine and equiment. The height adjustment can help the leveling caster stay at one place or move around. Raise the foot base, you can roll your item to wherever you want; lower the foot base, you can make your item stay secure and stable. Setting the height separately can help casters hold item on a uneven surface to make the item level. Specifications: Material:Aluminum frame, Nylon wheel and NBR foot base Wheel Width: 0.94 inches Wheel Diameter : 2 inches Stem Diameter: 12mm Height Range: 3.35inches - 3.75 inches Total Load Capacity: 2200lbs Package Includes: 4 x Leveling machine casters 4 x Threaded stems 4 x Nuts