Features:

Material: Made of high quality plastic, strong and durable, can be used for a long time.

Easy installation: For installation, simply replace the defective / old one with the new one.

Note: Be careful about the installation process although this rarely happens. Specific installation steps are as follows.
You can just take one or two small flat head screwdriver to use in one or two separate spots.,slip the small flat head screwdriver under the black base,and slowly and gently pry the base off. Then the new base snaps on easily.