Universal jacks are highly durable and very efficient. The universal jack is used as an adjustment part, and can be inserted at the bottom or top of a scaffold support structure. They have an adjustment of up to half a meter, and accommodate differences in ground level, as well as to keep the structure leveled. Universal jack is used in conjunction with adapters, fork heads, and base plates. When fully supported, universal jacks can take on the entire capacity of Cup lock scaffolding system.