AN400113: Rear Hydro, Reverse TubeHigh performance tube designed for versatile applications in various machinery and equipment. Features a length of 158. 76 mm (6 1 4 in) and an outer diameter of 31. 75 mm (1 1 4 in), ideal for specific mechanical setups. Wall thickness of 4. 75 mm (0. 19 in) ensures durability and reliability under various conditions. Constructed from high quality material for enhanced performance and longevity.