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

STURDY CONSTRUCTION: Stem leveling machine caster is made of solid steel, bottom features durable and anti-vibration rubber foot pad, and a wear-resistance nylon wheel SIZE : Stem diameter is 12mm, stem height is 25mm, caster height can be retractable from 3.5" to 3.75" MAX LOAD CAPACITY: Easy to hold up 550lbs per caster, 4 packs total 2200lbs FUNCTIONAL RETRACTABLE CASTER: Twist the orange thumb wheel to raise or lower the rubber feet, you can move the workbench around easily (casters can swivel 360 degrees), and then secure it in place so you can get a stable level table even on an uneven floor PEFECT FOR: Support to heavy duty workbench, machine equipment, furniture counter, table saw, welding table and other heavy working machines, Weight: 5.89075164064 pounds, Manufacturer: MOLIGOU