For residential single and multi-family entrance doors. Deadbolt thrown or retracted by key from outside or by inside turn unit. Latch retracted by thumb piece from inside or outside grip. Solid forged brass outside trim, wrought brass trim rings with concealed security inserts. Wrought brass inside trim. Wrought brass cylinder trim rings reinforced by tapered die cast security insert for resistance to wrenching or prying. All handle sets have the same finish for both interior and exterior parts except the bright brass finish which has a bright brass finish on all interior parts and Ultima lifetime anti-tarnish finish on all exterior parts. Door prep 1-1/2 inch or 2-1/8 inch deadbolt and 2-1/8 inch latch bolt cross bore 7/8 inch or 1 inch edge bore 1 inch x 2-1/4 inch latch faces 4 inch. Door thickness 1-5/8 inch to 1-3/4 inch with extra mounting screws to accommodate 2 inch doors. Cylinder 5-pin with nickel silver pins and keys (2). Faceplates 1 inch x 2-1/4 inch. Strikes deadbolt-1-1/8 inch x 2-3/4 inch, square Corner, no lip, dust box and door frame reinforce latch bolt - 1-5/8 inch x 2-1/4 inch full lip. Bolt maximum security B300 single cylinder or B362 double cylinder deadbolt with 7/8 inch housing diameter, 1 inch throw. ANSI/BHMA grade 1 security features. Dual option universal both handle set and deadbolt fit all doors, 2-3/8 inch or 2-3/4 inch backset square Corner, round Corner or drive-in preps.