Exterior grip handle set with Accent interior lever with B-series single cylinder deadbolt for exterior doors. Deadbolt locked or unlocked by key from exterior or by interior turn piece. Deadbolt has dual option latch which includes: 1/4" round corner and 1" circular drive-in latch, adjustable for 2-3/8" or 2-3/4" backsets. Strike: 1/4" round corner deadbolt strike and 1/4" round corner full-lip strike. 1" door preparation required for latch bolt while 2-1/8" required for deadbolt cross bore. Lifetime mechanical warranty. Aged bronze (716). In accordance with California Prop 65 WARNING: Cancer and Reproductive Harm-www.P65warnings.ca.gov ADVERTENCIA: Cancer y Dano Reproductivo-www.P65warnings.ca.gov AVERTISSEMENT: Cancer et Troubles d l'appareil reproducteur-www.P65warnings.ca.gov - Lead