It is made up of 304-grade stainless steel, constructed from solid sturdy stainless steel that helps corrosion resistance and provides durability for long-term service. IDEAL QUALITY: It is constructed from solid sturdy stainless steel that helps corrosion resistance and provides durability for long-term service. It is very easy to install and remove, polished from the outer surface for maximum corrosion resistance, sleek and compact design with solid construction. DIMENSIONS: Length: 7-1/4 "(180.9 mm); Width: 1-5/8 "(41.3 mm); Length between holes’ center: 3-1/4 " (82.5 mm); Width between holes’ center: 15-16" (23.8 mm); Package Includes: Pack of 2 Marine City 304 Grade Stainless Steel Round Side Door Strap Hinges (Screws are not included).