SMC RSDQB20-20D-F79LS MSRP: Now: $95.65 Was: The Rsq Series Is A Fixed-Height Stopper Cylinder With Proven Endurance And Low Breakaway Characteristics. The Rsg Series Is An Adjustable Mounting Height Stopper Cylinder. It Can Be Raised Or... RSDQB20-20D-F79LS