SWIVL-EZE®LOCK'N-PIN 3/4" MANUAL - ADJUSTABLE HEIGHT PIN POST Proven design. Patented Lock'N-Pin system is very safe & prevents unintentional detachment. Stainless steel pin. Brushed aluminum finish. Exceeds ABYC Standard H31.6.1. Height Dia. Threaded 25" to 31" 1.5" N