This two-piece fillet weld gauge kit combines a radius leg gauge and a throat depth gauge, providing a flexible welding tool experience that is suitable for various welding needs and helps users easily complete welding work. The fillet weld gauge has clear and wear-resistant scale markings, ensuring accurate readings, allowing users to check welding angles and depths at any time and improve work efficiency. The welding tool is small and easy to carry, so users can carry it with them and perform welding measurements anytime and anywhere, bringing a convenient and fast use experience. The double-piece metering design makes the measuring instrument scale clear, especially suitable for professionals working in the welding field. It is a very practical measuring tool that can meet the needs of a variety of welding scenarios. The product is made of stainless steel, with good corrosion resistance and wear resistance, ensuring good performance during long-term normal use, suitable for different welding environments.