Introducing the Calmark Birtcher part MA260-4.80ETM2.5LK, a Card Lok PCB Retainer designed for secure and reliable PCB retention. This 4.8 inch length retainer features an 8.26mm expansion, a lock patch for added security, and a center mounting hole for easy installation. With a sleek black anodized finish, this retainer provides both functionality and a professional look for your electronic applications.