ASSA ABLOY Adams Rite 4510 Standard Duty DeadlatchASSA ABLOY Adams Rite 4510 Standard Duty Deadlatch 4510 Standard Duty Deadlatches provide flexible traffic control during and after business hours. ASSA ABLOY Adams Rite 4510 Standard 1"1 8" Duty Deadlatch comes with brushed aluminum faceplate. Function: The 4510 Series Standard Duty Deadlatch offers flexibility of traffic control during and after business hours. A reverse turn of the key while the bolt is held retracted retains the bolt to allow two