The Wynnsky 17 Piece Air Tool And Accessory Kit is a great air compressor kit with all you need to start your projects, including heavy duty dual tire chuck for tire inflation and pencil tire gauge ensures tire properly inflated, also the tire inflation needles/nozzles to inflate pool toys, blow gun. It has all the most commonly used air compressor accessory items in one set. All the outside thread with sealant, which is much better for sealing. 1pc-dual-foot tire chuck 1pc-tire gauge 1pc-air blow gun 1pc-blow gun tapered nozzle 1pc-1/4” FNPT coupler & Female coupling 2pcs-1/4" FNPT industrial plug 4pcs-1/4" FNPT industrial plug 2pcs-Male coupling 1pc-blow gun safety nozzle 2pc-inflation needles Dual-head air chuck for tire inflation and pencil tire gauge ensures tire properly inflatored Quick and easy connect system: 1/4" industrial quick coupler and plug Air blow gun with safety nozzle /needle. All the thread with sealant, better sealing. All the accessories organized collected in the durable storage case.