Virgo engineers offer stud tensioners. Torqtight variable stud tensioners are versatile and allow the tensioning of different bolt sizes of thread forms, while utilising a common load cell, all that is necessary is to change out the pullers and bridges to accommodate a different size. This versatility keeps tool inventory to the minimum. Some of the salient features includes: force - 14-260 tonnes; size - m20-m85; working pressure - 1000 bar; compact light weight; can be used in all positions; and fitted with quick couplers.