https://tag-pipe.com/Products/Pipe-Alignment-Clamps
A new addition to our range of welding fit-up clamps is the Spider series of internal clamps, these i/d locking clamps enable one man operation in the fit-up of a variety of fittings, including elbows, flanges, T-Pieces from 10mm to 940mm i/d. The unique locking system enables the operator to make minor
adjustment to the fit-up prior to welding. When you need rapid and precise fit-ups, the Spider Series of pipe clamps are the answer.