ARROW APL Series Cylindrical Indicator Locks Eliminate potentially embarrassing situations and provide peace of mind with the new APL Series cylindrical lock with status indicator. With a visual display of the occupancy status, the indicator notifies individuals if the door is locked or unlocked, providing an increased level of privacy. Standard features Door Preparation - Requires standard 2-1/8" (54mm) bore with through bolts. Backset - 2-3/8" (60mm) or 2-3/4" (70mm) Door Thickness - Fits 1-3/8" to 1-3/4", factory set for 1-3/4". 1-3/8" doors require the use of spacers. Latch - Stainless Steel 1/2" (13mm) throw, UL Listed, spring latch Latch Front - 1-1/8" x 2-1/4" for 2-3/4" (70mm) backset. Strike - 4-7/8" (ANSI (124mm) Handing - non-handed Packaging - 6 per case Warranty - Three Year Warranty DOWNLOADS and RESOURCES APL Series Cut Sheet APL Series Instructions