FEATURES * 2.13" OD x 14.75" center hole to center hole (retracted) * See NOTES below * Check SERIAL NUMBERS for Parts to fit Midmark - Ritter Tables & Chairs Series 100, 300 & 400 (Click Here) (Adobe Acrobat PDF) * Includes:Cylinder, (8) Cable Tie (8" Black) (RPI Part #RPT279) * ALSO AVAILABLE: Hydraulic Fluid (RPI Part #RPF384) FITS: Table Base MODEL(S) THIS PART FITS: 117, 317 NOTES: WARNING: When attaching hydraulic hoses to the RPI cylinders, torque the hose fittings between (55 - 60 INCH POUNDS ONLY) Additional torque could damage the threads in these cylinders. When replacing hydraulic hoses, route hose exactly as the original was installed to avoid pinching, chaffing and premature wear. Remember to replace any removed clamp, cable ties and safety devices when installing new cylinders and hoses.