
Scaffolding Adjustable Steel Hollow Jack Base U Head Jack. Diverse Jack Types: Available in Solid and Hollow types with various diameters and base plate options. Customizable Surface: Surface treatment options include Electro-Galvanized and Hot DIP Galvanized. Flexible Height Adjustment: Adjusts construction system height flexibly for safe and level working surfaces. Wide System Compatibility: Supports Ringlock, Cuplock, Kwikstage, Frame, Tube&Clamp, and Formwork systems. OEM and ODM Services: Full customization available from samples, designs, or minor modifications. Fast Delivery: Delivery time is 10-15 days for 3-5 containers to satisfy urgent project needs. High Production Capacity: Monthly production capacity ranges from 7000 to 10000 tons. Quality Certifications: Holds ISO 9001 and SGS certifications for product quality assurance.