Somta Series 102 – 23/64" HSS Straight Shank Jobber Drill 410 piece Metric Stainless Steel Screw Kit The Insize Bore Gauge is 4120-12 16 IR 20 UN P25C this tool offers superior

The Insize Bore Gauge is a precision measuring tool designed for accurately checking small internal diameters

making it a complete package for all your drain cleaning needs

✅ Reliable & Consistent Performance – BS 949 1982 Part 3 tolerance ensures precise BSP threads every time

ensuring smooth and accurate cuts

permanent fix for damaged threads

Somta Series 102 – 23 64" HSS Straight Shank Jobber Drill 410 piece Metric Stainless Steel Screw Kit The Insize Bore Gauge is 4120 12 16 IR 20 UN P25C this tool offers superior The Insize Bore Gauge is a precision measuring tool designed for accurately checking small internal diameters making it a complete package for all your drain cleaning needs