Von Duprin 3347ATL 3 US10B Grade 1 Concealed Vertical Rod Exit Device Narrow Stile Pushpad Classroom Function Pull Plate Thumb Piece Locking Lever with Escutcheon Thumbturn 36 Hex Key Dogging Dark Oxidized Satin Bronze Oil Rubbed Finish Non-Handed

3347A and 3547A for all types of single and double doors, UL listed for Panic Exit Hardware. Devices are ANSI A156.3 - 2001 Grade 1. The 3547A has a smooth mechanism case and the 3347A has grooved case. The concealed vertical rod device is non-handed except when the SS (Signal Switch) option is used. 3347A/3547A fits door stiles as narrow as 1 3/4"(44 mm), wood door stiles as narrow as 4"(102mm). Newly designed device has a one piece center case cover. Device Lengths: 3' 2'4" to 3', 4' 2'10" to 4'. Hex key dogging standard. Vertical Rods: Round 2 piece adjustable rods; Top rod adjustable from 6'8" to 8'4".