The product is a set of 12 air hose fittings with a 1/2" air inlet size and a 1/2" drive size, designed for use with Ingersoll Rand air tools. These fittings are specifically labeled as AS 1/2" FMPTXMMPT, indicating their compatibility with the Ingersoll Rand AS series. They are an essential accessory for air ratchets and other automotive tools, providing reliable and secure connections for air tools and equipment. Unit will swivel 360 degrees.