The gap gauge is designed with two parts, easy and convenient to measure, one part can be used to measure the gap, the other part is used to measure the depth, you can use it to measure construction, railway, electric power, ceramic sanitary ware, car windshield , etc. This taper gauge features clear marking lines for quick and easy reading, and the precise numbers and increments are etched on the surface, so you don't have to worry about the marking lines being wiped off after long-term use. Made of stainless steel material to ensure long-term use without worrying about rust and corrosion, the product is and wear-resistant. This taper welding gauge is designed to be pocket-sized, lightweight, easy to carry and use, you just put it in your bag. The millimeter and inch scale marks meet your different measurement needs, and the measurement is very simple and convenient., Manufacturer: ZKLGS