Omnia Solid Brass Ball Bearing Mortise Hinge 4 1/2" x 4 1/2"-Heavy Duty .134 Gauge
-For doors with higher frequency of use or doors equipped with closers, a ball bearing hinge should be used over plain, which conform to ANSI A2112.
-Ball bearing hinges feature two permanently lubricated, non-detachable, hardened chrome alloy ball bearings.
-Designed for installation on doors of medium weight. They may be used on wood or hollow metal doors and corresponding frames.
-Button tips standard; pairs of acorn, ball, crown, steeple and urn finials are available separately.
-All hinges packed with wood screws. Machine screws for metal doors and frames available as an option.