The PetSafe Aluminum Pet Door gives your pets the freedom they deserve! The frame is constructed of solid aluminum and is easy to install with the appropriate tools. It features a soft, transparent flap that provides a tight weather seal. A locking panel located on the exterior of the door ensures your control of when and how it is used. Manufacturer offers a lifetime limited warranty. All sizes fits door from 38 to 2 thick. Tools required for installation Jigsaw, drill, 516 drill bit, pencil, screwdriver, tape measure, ruler, hacksaw. Color White View Installation Guide Template Made in China.