National Hardware 179 Ball Bearing Hinge, 41 lb Weight, Door Leaf Height: 4 in, Frame Leaf Height: 4 in, Number of Knuckles: 5, Pin Type: Non-Removable, Screw Mounting, Number of Mounting Holes: 8, Steel, Satin Chrome, Includes: Non-Removable Pin
- More durable and long-lasting than standard hinges
- Equipped with two permanently lubricated ball bearings for smoother and quieter operation
- Template screw hole location for use on either wood or hollow metal doors and frames
- Non-removable pin for added security
- Full mortise design
