3 in 1 locking: Deadbolt, privacy and passage functions combined into one lockset. 60mm backset. Double Cylinder - Key operated deadbolt from either side. 3 in 1 security, deadbolt, privacy and passage functions Double cylinder deadbolt 60mm backset 20mm throw Privacy button on the inside allows emergency exit from inside Passage function when unlocked or unsnibbed Single handed operation from outside 5 pin euro style cylinder Silca TE2 keyway Supplied box packed with two (2) keys per lock