... .Chromed, ground&polished piston Features:1. 2500PSI Double acting tie-rod cylinders2. Bore size: 2"-5"3. Stroke sizes: 4 ... System, the USA UL.4. Products covering double acting tie rod cylinder, double acting welded cylinder, die casting, hydraulic cylinders, ... of thorough inspection, first-off inspection, during-processing inspection, and 100% inspection one by one before dispatching.6. MOQ: 100pcs. ...