2-3/4" Projection Perfect choice for storerooms and exit doors because of single sided lever handle The installation parts are clean and cylindrical in shape to offer nice grip over the door Panic Proof feature allows knob to be turned from the inside while keeping locked on the outside The locking mechanism is clean as well as break-free to Lever handle is very easy to maintain because of its optimal frictional constant Entry Function Lever Trim for Deltana Exit Devices Deltana is the architectural hardware manufacturer with a proven record for exceptional service and quality. Deltana inventories the country's largest selection of architectural, lighting, and door hardware in several stunning finishes made from many solid, high quality materials. 2-3/4" Projection Panic Proof feature allows knob to be turned from the inside while keeping locked on the outside