This is a legacy product. Please contact us for the latest version.sales@ocaire.com, CYL, COMPACT, 1/2-20 M TH *LQA, ACTUATOR, NCQ2 COMPACT CYLINDER, MD, 40MM NCQ2 DOUBLE-ACTING, .00000 lb, SeriesModelActionNoteCQ2StandardCQ2Double acting, Single rodExcept with rubber bumper