PLUGLINE 200 mm Inflatable Blocking Plug – Heavy-Duty Pipe Sealing Solution Insize Vernier Caliper 0-500mm/0-20" Range Series 1214-500 M6 - 30mm - 20

M6 - 30mm - 20 PCS Hex Head

Insize 275 - 300mm Outside Micrometer

To know what size the insert should be it refers to the last two digits in the code -  DTGNR2525M22meaning a TN-22 insert

10 folding sections for compact storage

PLUGLINE 200 mm Inflatable Blocking Plug – Heavy-Duty Pipe Sealing Solution Insize Vernier Caliper 0-500mm/0-20" Range Series 1214-500 M6 - 30mm - 20Introduction: The PLUGLINE Inflatable Pipe Stoppers are expertly designed for fast, reliable sealing and blocking of sewers, pipes, gullies, and drainage systems. Ideal for maintenance, repair, and leak inspection tasks, these stoppers are a dependable choice for hydrostatic testing and preventing unwanted ingress of water, gases, and debris. Constructed from high quality, kevlar reinforced NR SBR rubber with customizable options, PLUGLINE Pipe