33A are UL listed for Panic Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 33A has grooved case. The rim device is non-handed. 33A fits door stiles as narrow as 1 3/4". Newly designed device has a one piece center case cover.
Standard device size is for 3' x 7' x 1-3/4" HM x HM.
