Solid Brass Ball-Bearing Hinge Size (H x W):4" x 4" Holes are 3/8" diameter

Holes are 3/8" diameter

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

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

projection is 2-3/8"

Approximate leaf thickness is

Solid Brass Ball-Bearing Hinge Size (H x W):4" x 4" Holes are 3/8" diameterBall 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).