Tin side and coating detector!

The Garage Surfaces
1

For all you restoration guys here you go!

https://www.youtube.com/shared?ci=Fpc4z7kBkvo

2

http://www.edtm.com/index.php/glass-inspection-tools/tin-side-detectors?gclid=CjwKEAjw652_BRDfkebVrdOGkDISJAD0Q2RugXqV-t15nRpKFpFroscyAC3hP3OuJu6RivmvuAoTpBoCYbXw_wcB