2118729-4 is a two-piece aluminum board level shielding (BLS) cover component designed to provide electromagnetic interference (EMI) suppression and isolation of board-level components. This shield features a rectangular form with dimensions of 44.60 mm length × 31.10 mm width × 2.00 mm height and a material thickness of 0.20 mm, constructed from aluminum with stainless steel or galvanized steel plating options. The cover component incorporates dimple pitch of 3 mm minimum and an inner bending radius of 0.10 mm minimum, with co-planarity specifications dependent on size. This product is ideal for applications requiring board-level EMI suppression in mobile devices, tablets, routers, wireless speakers, IoT devices, and other compact electronics where weight savings and enhanced shielding performance are critical.