A stainless steel gauge used for the measurement of wet film ranging from 1 - 32 mils on any substrate.

Speedo Wet Film Thickness Gauge

An aluminium wet film comb that measures wet film thickness up to 2000 microns.

Plastic Wet Film Gauge

The Tricomb Wet Film Gauge is made of plastic, to measure wet film thickness between 50 and 900┬Ám.