WXZRLIU 20Pcs DB9 Connector Lock with 1Keys，Serial Rs232 Vga Port Blocker, Db9
WXZRLIU 20Pcs DB9 Connector Lock with 1Keys，Serial Rs232 Vga Port Blocker, Db9 Blocker,for PC Graphics Card Interface Dust Male Plug Protective Cover（Black） MATERIAL: DB9 connector lock plastic, firmly inserted into the port. Dust and moisture resistant, waterproof and anti-oxidation, professional design, precision grinding. PROTECT YOUR PORT DEVICES: This DB9 port dust blocker can be installed in any standard DB9 slot...