SMC MY1B20-500L Cylinder, Rodless, Mechanically Jointed MSRP: Now: $365.95 Was: Rodless Cylinder, MY1B, Mechanically Jointed, Standard Bores - Basic TypeThe MY1B Rodless Cylinders have a one-piece carriage and piston that runs its entire stroke length housed with an inner seal... MY1B20-500L