【Eagle Plastic Devices】450-3021,旋钮和转盘 RED .52"D X .65"H
【Eagle Plastic Devices】450-3022,旋钮和转盘 YELLOW .52"D X .65"H
【Eagle Plastic Devices】450-3023,旋钮和转盘 BLUE .52"D X .65"H
【Eagle Plastic Devices】450-3024,旋钮和转盘 GREEN .52"D X .65"H
【GC Electronics】45-0303,
【Eagle Plastic Devices】450-3031,旋钮和转盘 RED .63"D X .59"H
【Eagle Plastic Devices】450-3032,旋钮和转盘 YELLOW .63D" X .59"H
【Eagle Plastic Devices】450-3033,旋钮和转盘 BLUE .63"D X .59"H