We have two models of topside tensioners that consist of the GT Series and the Tentec CTST. The GT Series runs on Six load cells from 5/8” to 3 ¾” or from M16 to M95. Twin ports for quick connection of multiple tools. The Tentec CTST runs from bolt sizes ¾” to 4” or from M20 to M100. Each bolt size can be converted for use on different bolt sizes using the conversion kit.