TRD Manufacturing TR Series Tie-Rod Cylinders -- Triple Rod
  Features three rods for stability and strength.
• Precision machined to provide accurate linear movement and positioning.
• 200psi pneumatic version is standard. 400psi non-shock hydraulic version is optional.
• Single end or double end available.
• Other models offered include all stainless steel (SS) and electroless nickelplated (EN), and low friction for smooth operation (LF).
• Bore sizes: 1-1/2", 2", 2-1/2", 3-1/4", 4", 5", 6", and 8".