Designed to quickly and easily expand MacPherson struts to their full extension and hold them in their extended position whilst new road springs are fitted. Particularly useful when working with struts that are equipped with strong internal springs (tension stop springs) that pulls the strut shaft partly into the strut.Clamp for Strut inserts available separately - Part No. 5791 (35mm bolts) & Part No. 6270 (60mm bolts). Instructions provided.