This is an original replacement part manufactured for use with outdoor grills. The caster can pivot, and has a lock lever to prevent it from rolling once in place. There is a plastic bracket that the caster mounts to, and the bracket is available separately, the caster is sold individually.
This is a genuine Broil-Mate part sourced directly from the manufacturer. The handle is commonly used on gas grills to allow the lid to open. This part is made of metal. A Phillips head screwdriver, two screws and two bezels will be required for installation.