For customers buying stand-alone gooseneck arms, SnakeClamp products now offers an optional hardware to help with your project. The hardware pack includes he following items: 7/32″ allen wrench, (2) 3/8″-24 x 3/4″ button cap socket screws, (2) 3/8″-24 x 3/4″ flat head socket screws, (4) 3/8″ flat washers and (4) 3/8″ lock washers. Note that all attachments and bases include all required hardware. The part # is SCP-HP – Hardware Pack, priced at $6.95. Click on the image to purchase. Hardware pack for gooseneck arms