This Shield Security Passage Lockset is for interior non-locking interior doors. This product meets or exceeds ANSI Grade 3 Standards for residential use. Ideal for closets and doors that don't require a lock. It features a radius latch with a dual backset and an optional drive-in feature. When used as a replacement only a screwdriver is needed to make installation a snap. This Door Knob is reversible for left or right-handed doors and features adjustable latch bolts to accommodate door thicknesses from 1-3/8" to 1-3/4". The Shield Security Passage Door Knob set offers a clean and modern look.