These 10 female couplers from Legacy is a great addition to any air tool set. With a 3/8 inch body and 3/8 inch NPT Type G, it is compatible with a wide range of air tools and accessories. Made in China, this coupler comes in a pack of 10, making it a cost-effective solution for your air tool needs. The brand, Legacy, is known for its high-quality automotive tools and supplies. This custom bundle includes the coupler and is perfect for those looking to expand their air tool collection. The manufacturer part number for this item is A76610G.