Finish: Zinc Plated Will accept any handle with a 5/16" square shaft Riveted, long-wearing nylon rollers are 1 1/4" diameter to provide firm, snug closure Lightweight 16-gauge steel channel is as strong as conventional rods but offers significant cost savings For optional roller cam center latch order part # 3-2500-51 ZN For complete assembly order part # 2500-48 ZN