Ball-Bearing Hinge is a hinge equipped with ball bearings to reduce friction. They are ideal for any interior door If you have any issues with your doors squeaking today, our ball bearing hinges are sure to solve that problem. Our hinges are compatible with most brands of hinges including Penrod.Steel Plated, Includes matching screws, 4 Holes in zig-zag pattern, Gauge .097" (2.5 MM) Typical use: 1 5/8" to 1 3/4" thick doors. Removable PinEnjoy the benefits of a ball-bearing hinge: Smoother operation, prevents squeaking noises, less metal-to-metal friction and longer life!Multiple Finishes Available: Satin Nickel, Oil Rubbed BronzePrice Listed is for 25 pairs of hinges - What is a pair?Don't forget to purchase some extra long hinge wood screws if you are replacing your old hinges. These are specifically manufactured to help align your doors and insure that the hinges will hold in place. | Ball Bearing - Residential Door Hinges Hinge Outlet RBB-4040-58SQ-US10B-Case