Design House 701847 C-Series 2-Way Adjustable Entry Door Handle, Satin Chrome Finished in Satin Chrome and designed for left or right hand doors ANSI grade-2 certified for commercial security; UL listed for use on fire doors (3 hours) Fits 2-3/4-inch and 2-3/8-Inch backsets; fits 1-3/8-Inch and 1-3/4-inch thick doors Entry lock; operated by a key on the exterior and is by a turn-button knob on the interior Comes with a limited lifetime mechanical warranty and a 5-year finish warranty