Premium marine grade 316 stainless steel Bimini Top Deck with 90° hinge and highly polished finish with long-term durability. It’s very durable and long-lasting, 316 Grade Stainless Bimini hinges for maximum corrosion resistance, heavy-duty and weather-resistant, product can withstand harsh weather conditions, and prevent rust. It is very easy to install, Bimini Top Deck flat base hardware, Including spring-loaded stainless steel pins for quick removal. Dimensions: 3/4" Base Length, 2-1/4" Base Width, Stainless Color, 1/4” Cut-out Diameter. Package Includes Pack of 2 MARINE CITY 316 Stainless Steel Bimini Top Deck Hinge 90°with Quick Release Pin Boat Top Fittings Flat Base Hardware (Screws Not Included).