SMC CY3RG25-500 Cy3, Magnet Coupled Rodless Cylinder MSRP: Now: $346.90 Was: Rodless Cylinder, CY3R, Magnetically Coupled, Direct Mount w/Switch RailThe CY3R Rodless Cylinder - Magnetically Coupled uses industrial strength magnets located in the piston and external carriage... CY3RG25-500