MOLIGOU 4Pcs Leveling Stem Casters, Heavy Duty Workbench Casters, Retractable Leveling Casters for Equipment, Total Load Capacity 2200 Lbs

Retractable leveling machine caster has a stable construction, it's designed for a long time use. You can twist the orange knob to adjust the height of the caster, raise the feet to make it roll around, lower the feet to make it stay in place. Very convenient and practical for the heavy duty items like heavy work bench, welding table, table saw. Specifications: Material:Steel, rubber foot pad, nylon wheel Load Capacity: 550lbs/one caster, 2200lbs/4 casters Stem Diameter:12mm Stem Height:25mm Package Includes: 4× Stem Leveling Machine Casters 4× Nuts 4× Threaded Stems