They are also known as “U Head”. These are available on rent and hire for construction of residential, commercial and industrial sites. Jack provides a method of adjustment which can be used at either the top or bottom of a scaffold support structure.
Adjustable U- Jack Adjustable U-jack is fitments for carrying beams supporting floor forms. This has a jack nut which provides accurate adjustment. It has a solid stem of 35mm nominal diameter which has a nut restraint to ensure the stem always has a minimum engagement into the standard of 150mm.