7KC Listed by Underwriters Laboratories for use on 3 hour, A label single swinging doors (4′ x 8′ ). _x000D_ Certification- This product is listed in BHMA Directory of Certified Locks and Latches as conforming to ANSI A156.3, Grade 2. California Administrative Code Title 19 and 24. Illinois Accessibility Standard._x000D__x000D_Top_x000D_Cylindrical chassis to fit common door preparation._x000D_ Standard and Drive-in latches available. _x000D_ Through-bolt mounting studs increase torque resistance._x000D_Internal steel mechanisms are corrosion treated for normal atmospheric conditions._x000D_ ADA compliance title III. _x000D_ Lockset reversible for either hand of door without removing keyed lever.