This plate from BHHS Georgia Properties 24 is composed of aluminum and fits wood arm posts. It features a slide-in design that makes installation easy and allows for a secure hold. The plate has an adjustable range from 47.5" to 67.25" which allows it to be used in a variety of applications. The wear resistant finish prevents corrosion and ensures a long service life. Not only does the plate look great, but it is also exceptionally strong with a loading capacity of 330lbs. The plate is also easy to maintain and clean. Overall, this plate is perfect for all types of wood arm post applications, and will offer long-lasting support with its durable construction and adjustable range.