FUNCTION- This High quality brass 10PC USA Style Quick Coupler Set is the Perfect accessory to your air tool kit. It assists in the fast changing of your air tools and helps make jobs quick and easy.DESIGN- Fast and easy to install, does not require any tools.Material: brassColor: GoldCoupler Assures Easy Connection And Disconnection.Compressive strength, corrosion resistance, high performance and high reliability.Fast and easy to install, does not require any tools.Used with all Air Operated Equipment.Type: 1/4 inch NPTSize(Quick Coupler): 45*20mm/1.77*0.79 inchQuantity: 10pcs Quick Coupler setPackage included: 2 x Industrial Brass Coupler 1/4 inch FPT - ( CH440BS)2 x Industrial Brass Coupler Plug 1/4 inch FPT - (CPH440B)6 x Industrial Brass Coupler Plug 1/4 inch MPT - (CPH441B)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.