Chopper Wheel, 100 Slot, for 3502 Chopper

The 3515 Chopper Wheel has 100 slots. It is an additional wheel for the Model 3502 Optical Chopper.  This high quality chopper wheel is made of a beryllium copper alloy, which offer superior performance compared to lower cost steel alternatives.  This material choice allows for better thermal conductivity, higher strength, tighter machine tolerances, and are non-magnetic, non-sparking, and corrosion resistant.