Hi-Force STU series subsea bolt tensioners are designed and manufactured to suit the demanding requirements of divers operating in harsh subsea environments. With an easy to operate two-piece design comprising of a quick fit/release threaded puller and a hydraulic load cell with an integral bridge and an extra-long 30 mm piston stroke to reduce re-setting operations, Hi-Force STU series subsea bolt tensioners offer a consistent, reliable, and cost-effective method of tensioning sub-sea bolted joints.