The MODEL No. 4917A Rego Tank Torch Regulator is a versatile multi-wrench tool designed for welding equipment. With 9 different wrench sizes included in one convenient tool, it offers ease and efficiency in setting up and adjusting welding torch regulators. The high-quality construction from the trusted brand Rego ensures durability and reliability for all your welding needs. Perfect for professionals in the CNC, metalworking, and manufacturing industries, this multi-wrench is a valuable addition to any toolkit.