Exterior grip handle set with Plymouth interior knob with B-series single cylinder deadbolt for exterior doors. Deadbolt locked or unlocked by key from exterior or by interior turn piece. Both pieces have 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 prep required for latch bolt while 2-1/8" required for deadbolt cross bore. Lifetime mechanical warranty. Ultima bright brass finish (505).