This comprehensive voltage regulator transistor kit from Quintathletic contains 50 pieces across 10 different values from the popular LM317T and L7805-L7824 series. Perfect for electronics enthusiasts, hobbyists, and professionals, this assortment comes neatly organized in a durable plastic storage case with individual compartments for easy access and organization. The kit includes various commonly used voltage regulators that are essential for power supply and voltage control applications in electronic circuits. Each transistor features a TO-220 package with three pins and a metal mounting tab for effective heat dissipation. The clear compartmentalized storage case makes it simple to identify and select the right component for your project while keeping everything protected and organized. This versatile assortment is ideal for prototyping, repairs, and various electronic DIY projects where stable voltage regulation is required.