The Lenlok night latch series boasts an impressive look with its classic bold contours, sturdy feel with its zinc diecast body, and hold back functionality for the convenience of entering and exiting without the need to keep disengaging the lock. Zinc diecast body Standard with a locking snib which can be used to hold back the latch Reversible latch Satin chrome cylinder External cylinder is a 5 pin C4 broach Key blanks available, use Keyline LKW5 (Silca LW4) profile Available in a silver finish lock body