The product is a set of 6 hydraulic male stud couplings, each measuring 12L x 3/8" NPT and compliant with DIN 2353 standards. These couplings are essential for plumbing and fixture installations, offering a secure and reliable connection for hydraulic systems. With a unit quantity of 6, this set provides ample pieces for various projects requiring a 3/8" NPT connection size. The high-quality construction and compatibility with industry standards make these couplings a valuable addition to any home plumbing and fixture collection.