Pack of 2 Die-cast aluminum end caps Designed to carry wiring to conduct power to electric locks or access systems mounted in doors Mounting screws included Surface-mount Seco-Larm SD-969-S18Q Pack of 2 Armored Door Cords, Die-cast Aluminum End Caps, 17", Surface-mount, Designed to Carry Wiring to Conduct Power to Electric Locks or Access Systems Mounted in Doors Key Features: - Pack of 2 - Die-cast aluminum end caps - Designed to carry wiring to conduct power to electric locks or access systems mounted in doors - Mounting screws included - Surface-mount Specifications: - End Caps: Aluminum - Inside Door Cord Diameter: 5/16 inches (8mm) - Outside Door Cord Diameter: 1/2 inches (12.7mm) - Cord Length: 17 inches