It is made up of Marine Grade Nylon quality, lightweight and durable for any type of environment. It’s durable and long-lasting, corrosion resistant, water resistant, lightweight, and very smooth finish. Easy to use: It allows you to quickly and easily adjust the placement of these Bimini Deck Hinges where they are needed. Dimensions: Base Length: 2-1/2”, Base Width: 7/8, Bolt Size: 1/4”. Package includes: Marine City Pack of 2 Boat Bimini top Nylon 80-degree Deck Hinge. Welcome to Marine City, your trusted destination for premium marine products. We take great pride in offering a diverse range of top-quality marine equipment and accessories catered to the needs of boat enthusiasts and professionals. We aim to exceed your expectations, forging lasting relationships built on trust and satisfaction. Choose Marine City for an unmatched selection of top-notch marine products that meet Amazon's high standards