NRP Stainless Steel Ball Bearing Hinge Size (H x W):4" x 4" The hinge pivot point aligns

The hinge pivot point aligns with non-spring hinges of the same size

This drilling device is powered by an electric or cordless (18V or higher) power drill (not included)

Because of the large load capacity of this device

This stay hardware holds Bermuda style shutters in the open position

commercial applications such as store fronts

NRP Stainless Steel Ball Bearing Hinge Size (H x W):4" x 4" The hinge pivot point alignsThese architectural hinges are recommended for the heavier doors found on custom homes and as an upgrade for residential grade hinges. Architectural hinges are thicker and of much higher quality than residential grade hinges. NRP (non removable pin) hinges have a set screw in the barrel that is only accessible when the door is open. This security feature deters someone from removing the hinge pin and the door. Ball bearing hinges are recommended for