3.5 x 3.5-In. Black Square Corner Door Hinge

National Hardware

3-1/2-Inch x 3-1/2", Black, Square Corner Full Mortise Door Hinge, With Screws, Safe Working Load 50 LB, 1 Per Pack, Carded.

We Also Recommend

National Hardware Double Box Rail Bracket N104-406

First Alert Battery-Operated Carbon Monoxide Alarm with Backlit Digital Display

First Alert Plug-In Carbon Monoxide Alarm with Battery Backup & Digital Display

First Alert CO3-B01-T Battery-Operated Carbon Monoxide Alarm

Monster Fastener 18-8 Stainless Steel Coarse Thread Carriage Bolts