Solid Brass Ball-Bearing Hinge Size (H x W):4" x 4" Because these items are electronic

Because these items are electronic and improper installation or handling can cause damage to the electronics

Holes are 3/8" diameter

We still have some of these covers available

The main mounting pads are 1-1/2" x 4"

The post measures 1-3/4" and the screw is 1-1/2" long

Solid Brass Ball-Bearing Hinge Size (H x W):4" x 4" Because these items are electronicBall bearing hinges are recommended for heavier doors, doors over 2" thick, doors over 40" wide, or doors which use a door closer. Permanently lubricated ball bearings. Solid brass base material, stainless steel pin. Note: These solid brass ball bearing hinges contain ball bearings and the bearing raceway that will eventually rust if subjected to harsh weather conditions (especially marine weather and salt air conditions).