The Sargent NB-8710-84-J is Less Bottom Surface Vertical Rod Exit Device, No Outside Operation Exit Only; The NB-8710-84 is for an 84" door height, single point top latching, for a 37"-42" door width, rail (J 42" in length can be cut down to 37"). In US32D/630 Satin Stainless Steel And US10B/613 Oil Rubbed Bronze Finish.
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