It is made of polished finish 304 marine grade stainless steel, is long-lasting, and can withstand harsh weather conditions. It’s very durable and long-lasting, strong and secure, high-quality stainless steel, water resistant, and corrosion resistant. It is very easy to install and remove, ideal for boat Hatch doors, cabin doors, cabinet doors, and so on, suitable for both indoor and outdoor use. Dimension: Width: 1-1/2 inches (37.0 mm); Length: 3 inches (76.0 mm); 2.0 mm Thick. Package Includes: Pack of 2 Marine City 304 Grade Stainless Steel Door Strap Hinges for boats, required 5 #8 screws to install (we don't supply with screws).