Bommer BB5004-450-640 4.5" x 4.5" Steel Ball Bearing Hinge Full Mortise, Heavy Weight

Bommer BB5004-450-640 4.5" x 4.5" Steel Ball Bearing Hinge, Satin Bronze Plated, Dark Oxidized, Oil Rubbed
Bommer BB5004-450-640 Heavy Weight Full Mortise Ball Bearing hinge has a 5 Knuckle construction and comes in Satin Bronze Plated, Dark Oxidized, Oil Rubbed finish. Bommer BB5004-450-640 Ball Bearings are hardened steel raceways and balls with steel pin. The BB5004-450 are recommended for heavy weight door with high frequency of use.