
Scaffolding Adjustable Hollow Solid Screw Jack Base U Head Jack Leveling Jack. Versatile Scaffolding Support: Compatible with ringlock, cuplock, kwikstage, frame, and tube&clamp systems. Flexible Height Adjustment: Adjusts construction system height flexibly for safe and level working surfaces. Durable Steel Construction: Made of Q235 steel with casted nut assembly for long-lasting performance. Multiple Customization Options: Offers solid/hollow types, various diameters, and surface treatments like hot dip galvanized. OEM and ODM Services: Provides full customization from samples or designs to meet specific requirements. Fast Delivery Capability: 10-15 days delivery for 3-5 containers to satisfy urgent project demands. High Production Capacity: Monthly capacity of 7000-10000 tons with 8-12 containers loading per day. Quality Certifications: Holds ISO 9001 and SGS certifications ensuring product reliability.