This set come with 5 aluminum spray paint adapters, 5 NY Fat Cap Nozzles, and 5 LEGO cap nozzles. These metal adapters are made from solid stock rod, 6061T6 aircraft aluminum. They are machined on a CNC Lathe. Knurled for a better grip when switching from one can to another. 100Percent American Made. They were made to work on most Rusto, Painters Touch and American Accents male valve cans. They each come with a key chain so you can keep them handy. The incredible quality of the product s more uses than er plastic options.