Our square corner ball bearing hinges are solid cast and then laser cut for accuracy and perfection and smooth operation. Update your doors with these beautiful and modern hinges. They come in 3 sizes and they are finished in matte black. Our 30 pack of hinges is great for any large scale construction with multiple doors. Quantity: 30 hinges per case Corner: Square Material: Solid metals Sizes available: 3'' X 3'' ( 30 pack $18.00 each hinge) 3.5'' X 3.5'' ( 30 pack $19.00 each hinge) 4'' X 4'' ( 30 pack $20.00 each hinge) Ball Bearing: Standard Installation: 3-4 screws per side of the hinge Screws: Metal and wood screws included Tools required: Phillips head screwdriver Installation time: 10-15 Minutes Recommendation: 1 hinge per 30 inches of door height ( 90 inch door requires 3 hinges while a 91 inch door requires 4 hinges) Warranty: Lifetime Warranty
