This MULTI-WRENCH tool is designed for use with MODEL No. 4917A REGO Tank Torch Regulator and is compatible with various brands. With 9 different wrench sizes, it is a versatile tool that can be used in welding equipment, metalworking, and other industrial applications. The tool is in excellent working condition and has not been modified in any way. The REGO Tank Torch Regulator MULTI-WRENCH is ideal for professionals and DIY enthusiasts who need a reliable and easy-to-use tool. Its compact design makes it easy to carry and store, while its sturdy construction ensures that it can withstand the rigors of heavy use. This tool is a must-have for anyone who wants to simplify their work and improve their efficiency.