This bottom hinge kit includes components constructed of various materials, and the main hinge bracket comes in a chrome plated finish. The post-mounted gravity pivot hinge bracket fits on 1-1/4 in. thick posts and panels that have square cut edges. This bracket features a 1-9/32 in. key dimension, and its pintle has an outside diameter of 1/2 in. This hardware is designed for use with partition hardware by General and American Sanitary.