COMMERCIAL DUTY CONSTRUCTION: Designed for reliable performance in hallways, closets, and common areas where no locking is required. Built with a carbon steel and zinc alloy lever body and durable internal components to deliver smooth, consistent operation and dependable daily use. PASSAGE FUNCTION LEVER: Both exterior and interior levers remain unlocked at all times, allowing free passage without keys or locking. Ideal for hallways, closets, conference rooms, and other interior doors where secure locking is not needed but durability matters. ADA COMPLIANT & NON-HANDED DESIGN: Meets ADA accessibility requirements for ease of use in commercial and public spaces. Non-handed lever design fits both left- and right-swing doors, simplifying installation and reducing the need for door-specific hardware. FITS STANDARD COMMERCIAL DOORS: Compatible with standard 161 door prep featuring a 2-1/8″ bore. Fits doors 1-3/8″ to 1-3/4″ thick and includes a standard 2-3/4″ backset latch (optional 2-3/8″ backset sold separately). COMPLETE INSTALLATION KIT INCLUDED: Box includes keyed lever, thru bolts, strike plate, latch, mounting template, and instructions. Satin chrome finish provides a clean, professional appearance suitable for modern commercial interiors. The dynasty hardware austin commercial door levers offer excellent quality and value. These sturdy door levers are available in the following functions: passage, privacy and keyed entry. The austin door levers fit a standard 2-1/8 inch diameter lock prep and has a 2-3/4 inch backset latch. 2-3/8 inch backset latches are sold separately. These door locks meet ADA accessability requrements.