About This

• Made of stainless steel with a thickness of 2mm, it is durable and there is no need to worry about rust and corrosion
• Laser scale, clear font, accurate reading, wear-resistant and scratch resistant
• Millimeter and inch scale markings are designed to meet your different measurement needs, with fast, accurate, and convenient use
• A standard measuring tool used to measure the inner diameter of cylindrical holes, holes, gap dimensions, and welding gaps in fields such as construction, railways, electricity, woodworking, and automobiles
• Each gauge is equipped with a waterproof storage bag, which contains the product and instructions for easy carrying