Get the support with this 30" inch aluminum metal handrail/grab bar! Great for all types of outdoor marine applications. You can use it on your boat, dock, hot tub, pool and anywhere else you want a little extra support. This handrail is made by Marine Fiberglass Direct and it uses a 3-1/2" base plate that will fit on a 2x4 with no overlapping. There are three anchor points on each pad. You can use stainless screws or stainless bolts for any type of application. You can use this around fresh water or salt water applications. This handrail is designed to help with safety. It allows safe and easy access to and from a boat or dock, making it perfect for all marinas, private docks, hot tubs, pools, fueling stations and many more places.