Screw Jack 1. Height: 400mm. 2. Dia: 34mm. 3. Material: Q235. 4. Weight: 3.17kg 5. Plate: 150*150*5mm. Scaffolding Jack Base 1)Material: Q235, Q345 2)Surface treatment: Electro-plated, Hot galvanized 3)Size: 0.4-1.0m Pipe: 38*4mm Base plate: 150*150*5mm 4)Package: Safe and standard package Looking forward to your kind inquiry! ItemSolid screw jackSystemformwork systemMaterialQ235 Q345Material is ...