Arrow ED910-36-AL Aluminum Grade 1 Exit Device / Panic Bar For 36" Doors, specially designed to replace or upgrade an existing exit device. This panic bar is BHMA Grade 1 certified. This exit device is UL and CUL Listed for accident hazard (panic) standards, and it complies with life safety code NFPA 101. The Chassis is made of stamped steel materials, the chassis cover is made of cast zinc, it fits doors 1-3/4" inches thick, and for doors 36" inches long, but it can be cut to a minimum of 31" inches. This panic bar features a 4-1/2" minimum stile, a hex type hold down dogging, a stainless steel latchbolt, and an ES90 Strike.