SSI

metal screws

security systems and accessories; namely, smoke and fire detectors, motion detectors, controls for windows and doors, wire and wireless signal transmission and reception units, automatic dialers to set off alarms; namely, digital dialers and tape dialers, control panels, warning alarms, control panel detectors for detecting abnormal situations, closed circuit televisions, magnetically encoded access cards, accessories for installing security systems; namely, electrical wires, electical cables, electrical transformers, and batteries

plastic screws