Hydraulic Column Jack 2t 242-452mm - 46820. The pistons are nickel-plated for a smoother and more efficient surface. The valve system precisely meters the oil, ensuring high efficiency under maximum load despite the short piston stroke. Additionally, the screw-in foot of the lifting piston features a strong fine-thread trapezoidal thread that is overload-resistant and ensures smooth operation. The jack is used in professional truck and industrial vehicle services, transport companies, and construction sites. Load capacity: 20 tons. Range: 242–452 mm.