The Hoshizaki 4A2414-01 Push-Retainer PS125306PG is a type of fastener that attaches panels, trim pieces or components in series without threading by snapping into place. It is intended to be pushed into the mounting hole, and as it is inserted, it expands behind the mounting hole, gripping the parts. This is installed in parallel holes of the sheet metal or plastic trim of the equipment, where rapid fastening is required. The shape formed is of the desired size to fit the hole.