The Vintage Heli-Coil Master Thread Repair Kit Lot includes a grip range of 0.156 in - 0.375 in and is made of stainless steel. It features a thread size of 1/4-20 UNC and has a plain finish. The kit comes with 24 inserts and a model named "Master Thread Repair Kit" from the brand Heli-Coil. The tool is designed for inserting and repairing threads in inches, making it a valuable addition to any industrial or business setting requiring precise and durable fastening solutions.

everything pictured is included: master thread repair kit, 15/6-18, 6-32, 8-32×2, 1/4-28 and tang breaker tips.