Features: This precision formed stainless steel wet film comb is long lasting and reusable and is supplied in a range of thicknesses measuring up to 3000um. This Wet Film Comb is made of stainless steel, so having excellent rust resistance. Practical and convenient, easy to operate. The interval division is detailed and having high measuring precision. It is a great tool to measure the coating thickness of paint, varnish, etc. With a black case for protecting the wet film comb and easy to carry. Specifications: Color: as the picture Material: Stainless Steel Comb gauge measuring range in detail: 25, 50, 75, 100, 125, 150, 175, 200, 225, 275, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 850, 900, 1000, 1100, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000um Measurement accuracy: micron Product weight: 35g Side length: 40mm/1.57inch Method of use: All kinds of coating after construction, immediately put the wet film thickness gauge stable vertical on the smooth surface of wet film coating, the wet film thickness gauge removing from the wet film, wet film thickness can be measured. The wet film thickness should be between the shortest tooth and adjacent that is not dipped in the wet film.The same method is used to measure twice in different locations for obtaining a certain range of representative results. After use, the wet film thickness gauge is cleaned and dried. Package Included: 1 x Wet Film Comb 1 x Black case