Specific gap widths, fitters and welders currently use wedge gap rods to achieve assembly, a slow and imprecise process that ensures perfect gaps and fits while maximizing Minimizing internal misalignment on pipe, stepped spacing wedges engage this durable precision tool Replacement Wedge and Gap Rod for every industrial pipe fitting scenario, it hammers pry open and measures the required gap allowing installers to quickly set consistent gaps and welders to place higher quality lines faster