48 PCS DOT Brass Compression Air Brake Nylon Tubing Fittings,1/4" 1/8" 3/8" 1/2"

This comprehensive 48-piece assortment delivers DOT-certified brass compression fittings engineered for pneumatic brake systems and air line applications. Featuring four essential sizes—1/8", 1/4", 3/8", and 1/2"—these nylon tubing connectors provide reliable, leak-free connections across diverse industrial and automotive setups. Constructed from durable brass with precision-engineered compression seals, they meet DOT standards for safety and performance. Ideal for technicians, mechanics, and system integrators who demand dependable fittings for air brake assemblies, compressor lines, and pneumatic equipment. Stock your toolkit with versatile, professional-grade components built to last.