Two black auxiliary locks to enhance window security, installation range 28-42mm. - Type: Window auxiliary lock - Installation range: 28-42mm - Material: Plastic - Color: Black - Included: Instruction manual One is unused, and one was installed on a window frame for about a week. The instruction manual is undamaged, but has some creases, so please refrain from purchasing if you are concerned. Please check the condition in the photos. Thank you for looking.