The TAPSET LH-UF(64) 1-12 GH4 from Field Tool Supply is a comprehensive left-hand tap set designed for 1-12 threading. This set includes multiple taps made from high-speed steel (HSS), ensuring durability and performance across various materials. The left-hand design is ideal for applications requiring reverse threading, such as removing broken screws. Each tap in the set is engineered to meet industry standards, providing consistent results. The set is perfect for both professional machinists and DIY enthusiasts, offering versatility and reliability in one package.