Telescopic Gas Springs With Chrome-Plated Steel Rod And Black Powder-Coated Tube. Equipped With Screw-In Connection For Eye Fittings On The Rod. Standard Eye Fitting On The Tube. Open Length 550 mm / Closed Length 320 mm / Reaction Force 38 Kg Technical Specifications Cylinder Diameter 18.5 mm Rod Diameter 8 mm Eye Diameter 8 mm