This top 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 inch thick posts and panels that have round cut edges. This bracket features a 1-3/32 inch key dimension, and its pintle has an outside diameter of 5/8 inch. This hardware is designed for use with partition hardware by Metpar.