2 in. Nylon Wheel Standard Stem Leveling Caster with Load Rating 550 lbs.Foot Master leveling casters offer an advanced solution to making an item stationary and mobile at the same time. After installation of the appropriate number of leveling casters, any item can easily be moved into a desired position. Once in the desired position, the user lowers the anti vibration pad until it is pressed against the floor. This relieves the wheel of the items weight and makes the item stationary. The leveling pad eliminates or reduces