Adapters Come In A Retail-Oriented Clamshell Package In A Quantity Of 1, A Bulk Ziploc Bag In A Quantity Of 10, Or A Small Plastic Bag In A Quantity Of 1.. Fittings Are Offered In A Variety Of Packaging Options, Including: Retail Clamshells, Bulk Boxed, And Plastic Tray Assortments. Simply Match The Male Side Of The Adapter To The Port Connection On The Dual Master Cylinder And The Female Side Of The Adapter To The Brake Line Connection To Be Made.