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 round cut edges. This bracket features a 1-5/32 in. key dimension, and it includes 2 pintles that have outside diameters of 1/2 in. and 5/8 in.. This hardware is designed for use with partition hardware by All-American.