This Dryer Caster Wheel Kit attaches to the bottom of the dryer and lets you move the dryer easily. To install, lay the dryer on its side on something to protect it from scratches or damage. Screw the casters into dryer base at each of the four corners and tighten. Set the dryer upright carefully. Please note: For safety, use two people to move the dryer and install the dryer casters. This kit includes (1) caster wheel and a set of (6) washers. Installing this part will require basic hand tools, some disassembly of the dryer and novice repair experience. Remember to unplug the dryer or shut off the house circuit breaker for the appliance before installing this part.