[opt] CECSCB1961R-66 [opt1] 4.5" x 4" RH [opt2] US32D Satin Stainless Steel, (Base Stainless), 6 Wires (4 28 AWG, 2 24 AWG), Three Knuckle Concealed Bearing Heavy Weight Full Mortise CE Electric and Concealed Switch Butt Hinges