Von Duprin Exit Device - Hex Dogging - Heavy-Duty Performance - Electrical - 12 - Grade 1 - Anodized Aluminum Finish - 36" W Door - 98 Series - Fits Stile 4-3/4" W For Door Thickness 1-3/4" Door Handing Right Hand Reversible - ADA Compliant - Standards ANSI A156.3 (2008) - UL Listed.