Sea-Dog Flush Mount Concealed HingeSea Dog Flush Mount Concealed Hinges are constructed of corrosion resistant 304 stainless steel. They are designed to keep the hinge out of sight when the door is closed. Stamped 304 Stainless; Installs with (5) #6 FH Fasteners; Sold in pairs; Dimensions: A: 1-7/8"; B: 2-3/4"; C: 1/16"; D: 1-1/2";