Pipeline integrity abnormality ID ruler

There is a magnetic hole on the back, which can be attached to the pipeline when recording abnormalities.

5mm x 2mm magnet

https://www.amazon.com/dp/B0CCXY6WBR?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_7&th=1

I also provided a link for purchasing dry-erase boards that can be cut and pasted into the grooved areas.

https://www.amazon.com/Magnetic-Erasable-Refrigerator-WhiteBoard-Organizer/dp/B0CVVNWPZ1/ref=sr_1_1?crid=1OASJDA135QFT&dib=eyJ2IjoiMSJ9.dP-d32KpMZuPzVg3pVMnBreac720gRKJw1wEC7mva1E9BiQumOlKt9PKFGJMCjg0KUWNm0EqVbtK2Ijtu