Heavy-Duty H-Frame Stability;: Reinforced H-frame steel structure supports 20-ton loads, reducing flex and vibration for reliable, controlled pressing.20T Hydraulic Power System;: Built-in 20-ton hydraulic jack with 2 manganese steel return springs ensures stable pressure, fast oil return, and low-effort operation.7-Level Height Adjustment;: 7 adjustable holes per side allow flexible height setup, includes 2 removable steel plates for securely holding small parts.Smooth & Easy Operation;: Polished piston punch, precision springs, and a long lever handle enable smooth pressing and lifting with consistent force.Integrated Safety Protection;: Automatic safety valve activates above 20 tons to prevent overload damage during automotive and metalworking tasks.