Von Duprin 3347ATL 4 US10 Grade 1 Concealed Vertical Rod Exit Device Narrow Stile Pushpad Classroom Function Pull Plate Thumb Piece Locking Lever with Escutcheon Thumbturn 48 Hex Key Dogging Satin Bronze Clear Coated 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".