Product Information Description Measuring Guide Other Details Von Duprin Inpact Series Mortise Lock Device is for use on all types of 4' X 10' single doors.UL listed for accident hazard installations. Panic Bars, Exit Devices - How To Door Swing – Left Hand Or Right Hand? Choosing the Right Door Stop Single Cylinder Or Double Cylinder Need It Fast? We Can Help See Our International Shipping Options Request A Quote Today The streamlined, extruded aluminum pushpad if the Inpact by Von Duprin is uniquely designed to exhibit grace under pressure. Built to absorb shock, it takes the wear and tear of even the most demanding high-traffic areas.