Dorex 9500 FR4 32D Heavy-Duty Exit Device – 4’0” – Fire Rated – Stainless Steel9500 FR4 32D Architectural quality Grade 1 fire rated exit device for heavy duty commercial applications High quality stainless steel finish Modern push pad style Suitable for hollow metal and wood doors Compatible with all 9500 Series knob and lever trims Field sizeable for doors 30 40 Stainless steel latchbolt with 3 4 throw Stainless steel springs Conforms to ANSI BHMA A156. 3, Grade 1 UL and cUL listed for Panic Hardware and for Fire Exit Hardware