ITEM NAME:50x50mm 316 Stainless Steel Cast Boat Cabin Door Strap Hinge Fitting Description: Materials: Marine Grade 316 Stainless Steel Dimension (L x W): Approx. 5 x 5 cm/ 2 x 2 inch Thickness: Approx. 4 mm / 0.16 inch Corrosion resistance, strong and durable Precision polished Package Includes: 2 Pieces Boat Butt Hinge Note: Please allow 1-2 mm difference due to manual measurement. Thank you. SKU: DMO0016476219382090.2 Pieces Boat Butt Hinge. Materials: Marine Grade 316 Stainless Steel. SKU: DMO0016476219382090.