Insize NOGO Thread Ring Gauge M12X1.75 Series 4120-12N JM Series Expanding Mechanical Pipe Plug w/Elastic Gasket 18-21mm making it an essential tool High speed steel HSS 3208-100B Insize Limit Micrometer 25-50mm Range Series 3235-50mm

making it an essential tool for professionals in industrial settings that require precise bore gauge measurements in hard-to-reach areas

and home repair projects

Optional Accessory: Depth stop (Code 6143)

Robust Tool Design: A very robust and durable tool

22 mm - 20 PCS

Insize NOGO Thread Ring Gauge M12X1.75 Series 4120 12N JM Series Expanding Mechanical Pipe Plug w Elastic Gasket 18 21mm making it an essential tool High speed steel HSS 3208 100B Insize Limit Micrometer 25 50mm Range Series 3235 50mm making it an essential tool for professionals in industrial settings that require precise bore gauge measurements in hard to reach areas and home repair projects