4 Pcs 40F Leveling Machine Caster, Top Plate Leveling Wheel with Retractable NBR Pad for Heavy Workbench Table

EASY TO ADJUSTMENT: Loosen the knob by hand, retract the adjustment base, and then you can move the caster. In the case of carrying object, adjustment can be assisted by a wrench FUNCTION: Through raise or lower the anti-vibration foot you can make your machine or workbench completely stationary on uneven floor and have the ability to move it easily into position when you would like to GREAT FOR: Installing to heavy duty workbench, electrical equipment cabinet, security machine, medical equipment, bank device, vending machine EASY INSTALLATION: Easy to raise and lower the leveling feet. The wheels roll smoothly. The mounting holes are accurately placed as described making drilling holes for the bolts easy. GREAT DESIGN: You can raise or lower the anti-vibration feet to make the machine or workbench completely fixed on the uneven floor and you can easily move it in place when needed. APPLICATION: These casters are perfect for using on heavy furniture that may need to be moved and/or leveled. Such as, carpenter workbench, equipment cabinets, welding table,heavy machine equipment.