This is a set of 4 replacement casters (caster bases) for furniture moving carriers only. The lever (crowbar) is not included, so it is recommended for those who already have the main unit or want to add more casters. 360° swivel casters allow you to move heavy furniture smoothly. Non-slip pads on the bottom for increased stability. Convenient for moving heavy objects such as sofas and washing machines. Useful for everyday rearranging, cleaning, and moving. [Set Contents] Casters (caster bases) x 4 * Lever (crowbar) is not included. Delivered in simple packaging.