Ball Bearing Commercial Door Hinges 4 Inch Satin Chrome 3 Pack

Product Overview: Commercial Ball Bearing Dor Hinge. More durable and longer-lasting than standard hinges. Five knuckle hinge equipped with two permanently lubricated ball bearings for smoother and quieter operation. Template screw hole location for use on either wood or hollow metal doors and frames. Includes non-removable pin for added security. Five knuckle, full mortise design. Conforms to ANSI/BHMA Grade 2. Safe Working Load 41 pound per hinge. For use on interior or external medium weight doors of average frequency.