NRP Solid Brass Ball-Bearing Hinge

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Ball bearing hinges are recommended for heavier doors, doors over 2" thick, doors over 40" wide or doors which use a door closer. Permanently lubricated ball bearings. NRP (non-rem ovable pin) hinges have a set screw in the barrel that is only accessible when the door is swung open. This security feature deters someone from removing the hinge pin and door. Solid brass base material, stainless steel pin. Note: These solid brass ball bearing hinges contain ball bearings and the bearing raceway that will eventually rust if subjected to harsh weather conditions (especially marine weather and salt air conditions). Show more