The Sargent NB-8710-84-F is a Less Bottom Surface Vertical Rod Exit Device, No Outside Operation Exit Only, The NB-8710-84 has an 84" high single point top latching, with a 33"-36" rail (F) and comes 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