Quantity: One PieceSmall Size, Clear Scale We choose a small-sized feeler gauge, which does not take up too much space, is convenient to carry, and is engraved with numbers on the surface, which is clearer and easier to read, and has stable abrasion resistance.2 Kinds of Units There are 2 different types of feeler gauges and thickness gauges. Feeler gauges are available in GA and English. The meter of the gauge tester is the American unit 0-36 (AWG), and the other is inch. You can use whatever material you want, it is very easy to use.Thickening Design Our gauges are made of stainless steel. After multiple processes, we choose a thicker design, which is not easy to deform and wear-resistant. It is a useful tool set to ensure maximum strength and durability for long-term use.Various Uses Feeler and thickness gauges are very useful among their uses. They can measure the thickness of paper, wood, leather, rolled steel, and cables. Allows you to quickly and accurately measure the most common weld thickness before welding, thus avoiding connection errors.