The Von Duprin 9857 is a three-point locking exit device for door openings that need latching at more than one point. It mounts on the door and gives a push bar for exit, with a lever and escutcheon on the outside. Von Duprin is an Allegion brand. Part LD9857L-BE-03 4 US10B LHR is the 36 Device, 84 Door Height, Passage Function, 03 Lever with Escutcheon, Less Dogging, Field Reversible version in Oil-Rubbed Bronze.

• 36 Device
• 84 Door Height
• Passage Function
• 03 Lever with Escutcheon
• Less Dogging
• Field Reversible
• Finish US10B Oil-Rubbed Bronze
• Grade 1
• Part number LD9857L-BE-03 4 US10B LHR