The Sargent 12-NB-8710-J Fire Rated (12) Less Bottom Rod (NB) Surface Vertical Rod Exit Device is Exit Only (no outside operation); the NB-8710-84 is for an 84" Door Height, single-point top latching, and a 37"-42" door width (the J bar is 42 " long and can be cut down to 37"). It comes in US32D/630 Satin Stainless Steel And US10B/613 Oil-Rubbed Bronze Finish options.
Features • Single point top latching• Top latch bolt projection adjustable through center case• ANSI/BHMA A156.3 - Grade 1• UL10C (Fire) and UL305 (Panic) Listed• Tripping potential removed - no bottom strike• Rods are 1/2" (13mm) brass, bronze, or stainless steel