1040031INRP - 4" x 4" Mortise Square Hinge Unlacquered Brass Finish - Non Removable PinBaldwin 1040031INRP 4" x 4" Mortise Square Hinge Unlacquered Brass Finish Non Removable Pin When people say it's lonely at the top, they're definitely not talking about Baldwin Estate. This impressive top of the line portfolio comes with plenty of company; everyone wants it. Estate includes seemingly infinite possibilities, elegant finishes and exclusive, custom styles. Estate is quality that feels custom made, because it is. 4 x 4" Non Removable Pin