Just as simple as the name, the One Way Exchange Baskets are different sized baskets for the new interchangeable poles baskets for certain One Way Nordic poles. A quick to change out system that isnA;'a; (TM)t as heavy as competitors, which helps maintain One WayA;'a; (TM)s reputation for Nordic race poles that have a low swing weight. Keep in mind that the Exchange is the name One Way gives to the design, you do have to buy them! Three basket sizes, S/M/L While a special tool is available to help, it isnA;'a; (TM)t necessary to change the baskets out Will only fit One Way poles that come with the Exchange basket system