Dorex 9500 TK80 26D Heavy-Duty Knob Trim – Storeroom Function – Satin Chrome9500 TK80 26D This trim knob is designed for use with 9500 Series exit devices Storeroom function suitable for doors that need to remain locked but allow momentary access by key or by electronic controlled access Architectural quality for heavy duty commercial applications High quality satin chrome finish Non handed field reversible Schlage C 6 pin re keyable cylinder Knob diameter is approximately 2 1 4 3 3 8 rosette diameter UL and cUL listed for 3