The Design House 181537 3-Pack Hinge 4inch in Satin Nickel has a 1/4inch radius corner, for use on residential duty wooden doors. These door hinges are made of steel with a staggered hole pattern. Each hinge has 8 holes and measures 4inch x 4inch x 1/2inch. 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.