We are offering screw jack without base plate (universal screw jack): a screw jack, aka universal jack, provides a method of jacking which can be used at either the top or bottom of a scaffold structure. Features: - This screw jack can also be use with casters or up side down on top of a frame, in conjunction with Forkheads, Socket Base and Drophead Adaptors, for shoring purposes.- Equipped with die forged nut with socket for the frame pipe installation.- Surface Finish: Hot Dipped Galvanised- Product can also be made per customer specified sizes- Scaffolding Screw Jack can be in Solid Screw Thread and Hollow Screw Thread in outer diameter of 28mm to 48mm according to different construction scaffolding system and concrete formwork requirements.