The entry function works great for doors that need to be locked/unlocked from the inside with a thumb turn and locked/unlocked from the outside with a key. Constructed with an all-metal, tubular chassis, this lock is designed for light commercial and residential application. This lock is also versatile and can fit doors from 1-3/8 in. to 2 in. T for commercial and residential use. It meets or exceeds ANSI Grade 2 standards and is ADA compliant. This product also has a ANSI Grade 2 deadbolt included and keyed alike.. Application Type: Entry. Combo Pack: Lockset. Commercial/Residential: Commercial,Residential. Deadbolt Type: Single Cylinder Deadbolt. Deadbolt strike: Square corner. Door Lock Style: Classic. Door Locks & Knobs Product Type: Keyed Knobs. Electronic/Mechanical: Mechanical. Features: Easy Installation. Finish: Satin Chrome. Hardware Color Family: Chrome. Hardware Finish Family: Chrome. Included: Hardware. Interior/Exterior: Exterior,Interior. Keyway: No Keyway. Knob material: Zinc. Knob strike: Square corner. Knob style: Full ball. Lock Type: Keyed. Material: Steel. Number of Pins: 5. Number of deadbolt pins: 5. Product Weight (lb.): 6 lb. Returnable: 90-Day. Security/ANSI Grade: ANSI Grade 2 (Better). Single or Double Cylinder Deadbolt: Single. Total Number of Keys Included: 3. Certifications and Listings: ADA Compliant. Assembled Depth (in.): 2.75 in. Assembled Height (in.): 2.75 in. Assembled Width (in.): 2.75 in. Backset Size (in.): 2-3/4 in. Deadbolt Bore Hole Diameter (in.): 1 in. Deadbolt Cross Bore Diameter (in.): 1 in. Deadbolt Strike Height (in.): 2.75 in. Deadbolt Strike Width (in.): 1 in. Deadbolt Throw Length (in.): 1 in. Deadbolt Trim Ring Diameter (in.): 2.25 in. Knob Diameter (in.): 2.75 in. Knob bore hole diameter (in.): 2.375. Knob cross bore diameter (in.): 2.125. Knob housing height (in.): 2.75. Knob housing width (in.): 2.75. Knob strike height (in.): 2.75. Knob strike width (in.): 1. Knob/lever throw length (in.): .5. Maximum Door Thickness (in.): 2 in. Minimum Door Thickness (in.): 1.375. Projection (in.): 2.5. Commercial/Residential: Residential. Door Lock Style: Classic. Interior/Exterior: Exterior. Interior/Exterior: Interior