Use 6540-766
Sundance Spas Micro Spa Jet Adj.VSR Handle Assy, Directional, White-Grey Hydro Air Spa Jet Insert, 55-470-2710 Micro Adj.VSR Handle Assy, Directional, White 10-9100SM, 55-470-2711 Micro Adj.VSR Handle Assy, Directional, Gray 10-9100SMGRAY