A Foot Switch assembly heavy enough to stay where you put it 
 No chasing it around with your foot. 
Same light foot pressure to operate as original equipment 
2 Position Foot Switch
Fits the following Dentsply models:
Cavi-Jet SPS 
 
Cavitron Jet with SPS - G120< p>
Cavitron Prophy-Jet® Air Polishing System - G122 
Ultrasonic Scaler - G119 
Round 4 Pin Male Plug as Illustrated with 8.5" cord
 CROSS REFERENCE NUMBERS: 
 CHAPMAN HUFFMAN  OEM part #  12-090-00 
 DENTSPLY®  OEM part #  565138002, 565138003 
 RPI  OEM part #  DSF013