Sigma Stem Extension and All Thread Tube Kit 16 Point 18.30.896
Sigma Shower Stem Extension Kit with 16 Point and 20 Point Stems 00.41.014
Sigma Stem Extension Kit 16 Point 18.30.049
Sigma Stem Extension Kit 20 Point 78.30.049
Sigma Standard Stem Extension 16 Point 18.30.048
Sigma Standard Stem Extension 20 Point 78.30.048
Sigma Stem Extension with Narrow Lip 16 Point
