Steel Prop Jacks are a versatile and cost-effective solution for supporting various types of floors, temporary beams, frameworks, slabs, columns, beams, and walls. These props consist of a few components, including a base plate, outer tube, inner tube, swivel nut, and G Pin, and their simple and flexible structure makes them easy to assemble and disassemble. The outer tube of the props has a diameter of 60.3mm, while the inner tube has a diameter of 48.3mm. The base plates used in these props measure 150 x 150 x 6mm in thickness.