Forged solid brass full handle and interior knob with single cylinder deadbolt. Latch bolt operated by thumbpiece outside and grip inside. Deadbolt operated by key outside and turn piece inside. All metal components. Solid steel latch assembly. Rust-resistant solid brass keyway for more security. Solid brass deadbolt with hardened steel rod insert to prevent sawing through latch bolt. Seamless 1-Piece knob for extra strength. Easy installation. Cylinder drilled for construction keying. Door prep 2-1/8 in Crossbore, 1 in Edge Bore, 1 in x 2-1/4 in Latch Face for plain latch and deadlock, 8-5/8 in CTC handleset crossbore to lower handle screw. Door thickness Fits 1-3/8 to 1-3/4 in doors. Cylinder 5-pin KW1 keyway, one piece solid brass, two nickel-plated, solid brass keys. Strikes of 1 in x 2-1/4 in min, 5 in CTC or great plain latch and deadlock strikes. Plain latch bolts 1/2 in throw, Deadlock - solid brass, steel reinforced 1 in throw. Reversible for right or left hand doors. ANSI/BHMA Exceeds Grade 3 Standards. Adjustable latch fits 2-3/8 to 2-3/4 in square corner, radius corner or drive in applications, includes both square and 1/4 in radius corner strikes. 6-way universal.