The Lantronix SESPM-EHPKIT is a mount kit designed to meet various installation needs. This kit includes both small and large plugs to accommodate different hole sizes, ensuring a secure and neat installation. With 6 small plugs measuring 0.25 inches in diameter and 3 large plugs at 0.625 inches, this kit provides flexibility for any setup requiring hole sealing. The extra hole plug kit is a solution for maintaining a clean appearance while preventing dust or debris from entering unused mounting points.