The Design House 181479 3-Pack Hinge 3.5" in Satin Nickel has a square corner, for use on residential duty wooden doors. These door hinges are made of steel with a staggered hole pattern. Each hinge has 6 holes and measures 3-1/2" x 3-1/2" x 7/16". These hinges do not have a removable pin, and screws are included. Designed and manufactured by Design House, the trusted source for quality lighting, hardware, plumbing, kitchen, and bath products for every taste and budget.