Small spring loaded pivot hinge for inset doors. This small spring loaded hinge is made of two parts; a spring loaded pin housing and a plastic bushing (pin receiver) Both hinge parts install by drilling a hole and press fitting them in place. The spring loaded pin housing measures 1-3/8" long by 1/4" diameter. The pin diameter is 5/32" and projects 1/4" The plastic bushing is 7/16" in outside diameter. Maximum door opening is approximately 140 degrees. This hinge will work on door thicknesses ranging from 1/2" to 13/16" This hinge is made of plastic with a steel pin and spring. Hinge is sold by the pair. Order 1 pair per door. Tab adjustment screw is not included. PLEASE NOTE: This hinge is not a "self-closing" hinge. The spring is in the pin receiver and is meant only to keep the pin in place after installation.