This ADA compliant lever set is constructed of zinc alloy (cast zamak) and comes in a polished chrome plated finish. It is designed for use with a concealed latching mechanism, it has a jumbo sized lever, and it assembles easily with a push nut fastener. This lever set has a 1-3/4 inch outside diameter, and it features an overall reach of 3-3/4 inch with a flat, slotted emergency-access knob on the exterior. Lever sets like these are used to replace broken and missing lever and knob sets of concealed latches. This Lever set is used by General & Knickerbocker doors, and it is easy to install. For use as a privacy lock in toilet partition stalls. Note: Assembly will be permanent upon first unification of both parts. Attempting to separate the inside and outside knobs once joined may damage the internal push nut component.