The Royal Screw Jack Flat Base Plate provide stable and adjustable height support for formwork and scaffolding systems. Constructed from fully threaded steel tube, each jack includes a coarse-threaded adjustment nut and a flat base plate measuring 150mm x 150mm. Designed to match the ROYALjack50, these jacks allow for easy insertion of scaffold standards and seamless integration into existing systems, ensuring safe load distribution and precise levelling on-site. Features + Benefits: Fully Threaded Steel Tube: Provides strong, durable height adjustment.Flat Base Plate: 150mm x 150mm base ensures stable ground support.Compatible Design: Matches ROYALjack50 for consistent system integration.Easy Height Adjustment: Coarse-thread screw with long-handled nut for effortless setup and release. Product Uses: Used at the base of scaffolding or formwork systems for height adjustment and ground levelling, especially when paired with scaffold standards or frames. Specifications: Description Effective Length (mm) Weight (kg) Code Number ROYALjack50 Flat No. 2 580 4.80 RJ50F2