Dorex 8580 B C32D Medium-Duty Knob Trim – Storeroom Function – Stainless Steel8580 B C32D This trim knob is designed for use with 8000 and 8500 Series exit devices Nite latch storeroom function suitable for doors that need to remain locked but allow momentary access by key or by electronic controlled access Architectural quality for medium duty commercial applications High quality stainless steel finish Non handed field reversible Schlage C 6 pin re keyable cylinder Knob diameter is approximately 2 1 8 3 rosette diameter UL and