1. Product Description: This adjustable base jack is an essential foundation fitting for ringlock, cup‑lock and frame scaffolding systems. It consists of galvanized threaded screw rod, cast‑iron adjusting nut and square steel base plate. Hot‑dip galvanized treatment delivers excellent anti‑rust performance. Rotating the nut allows flexible height adjustment to level scaffolding on uneven ground. The thick base plate enlarges contact area for stable load distribution. Simple‑structured and durable for repeated site use. Multiple thread diameters and total lengths are available. Convenient for bulk packing and container shipment, widely supplied for construction wholesale export. 2. Product Attributes Brand: Xinhaoze Model: Scaffolding Accessories Certification Certificates: ISO9001, ISO14000, ISO18000 Origin: China 3. Custom Attributes: Material: Steel Application Scenarios: Hospital, Mall, Office Building Design Style: Modern Load Capacity: 100 – 500KG Height: 6.3ft Warranty Service: 1 Year Memory Brand: XinXing Model: 03 4. Transaction Information Minimum Order Quantity: 1000 pieces Price: $8 per unit Payment Method: 30% deposit, then balance to be paid before loading. Supply Capacity: Within 15-20 days after receiving the deposit, finished production will be delivered. Delivery Period: Shipment within 7-30 days Standard Packaging: Packed in bundles suitable for sea transportation