Brand new. This product are tested before shipping. Easy for you replace your faulty,cracked or broken one ,seller remind that you should replace this in the off state. Professional skill is highly recommended, installation instruction is not included Please check the Model Number of your device before purchasing this Item. You can find the Model type of your device on your device and / or in the settings. OEM Rubber Foot Strip Compatible with Dell 16Plus 7620 Series Laptop Bottom case Rear Rubber Foot Strip Black 2PCS/set