The TAPS SP-L(16) 1/4-20 H1 P from Field Tool Supply is a high-quality tap designed for precision threading in various materials. With a size of 1/4-20, this tap is ideal for creating internal threads in metal, plastic, and wood. Made from durable high-speed steel (HSS), it ensures longevity and resistance to wear. The H1 tolerance guarantees a precise fit, making it suitable for both professional and DIY applications. This tap is compatible with standard tap wrenches and is perfect for use in automotive, construction, and manufacturing settings.