ELCOMETER 456 Coating Thickness Gauge Kit w Straight and PINIP Probes, SoftwareThe 

Elcometer 456 Integral Thickness Gauge is the industry-standard solution for accurate, non-destructive coating thickness measurement on both ferrous and non-ferrous substrates. Whether you're working in automotive, aerospace, marine, or manufacturing,

Plug-in probes convert a separate gauge into an integral gauge.

Used, very little use. Not everything has been used yet. There is a blemish on felt as shown. 

Includes everything shown in pictures.