1/4" Female to 3/8" Male Socket Converter with T Handle Hole. Made of chrome vanadium steel with satin finish. Total length: Teng Tools was founded over 25 years ago and attaches great importance to the details. Meanwhile, these beautiful little things are referred to as "typical Teng". The company offers more than 2,200 tools in more than 30 countries. The unique control system does more than just do a job. It seeks to improve workflow by creating more organised and efficient processes with better results. Teng helps you save money and time as you no longer have to worry about faulty tools. ISO marked TENG torque wrenches with integrated protractor, screwdriver with ergonomically designed handles, pliers with titanium coated joints, sockets and wrenches with hip grip design for increased torque, all indicators for improved performance and efficiency.