Cal Royal ICENTOOL-US26D Exit Device Entrance Lever trim has an Interchangeable Core which accepts 6 or 7 Pin Best, Arrow and Falcon cores andcomes in US26D Satin Chrome Finish.The Cal Royal ICENTOOL-US26D Exit Device Entrance Lever trim is for use with Cal Royal 2200 Series Exit Devices and for 1 3/4'' thick doors.