The Echo Pro Attachment Series (PAS) lets you purchase the tools you need when you want them - it's your choice! It is the economical way to stock your tool shed or trailer. Echo delivers a complete system that grown with your individual requirements. Four power sources work in conjunction with up to 14 attachments and 1 extension to offer complete flexibility and unbeatable Echo performance. The PAS is yet another innovation in a long line of labor-saving, high-value tools from Echo. All Echo PAS power sources and attachments are backed by a 5-year consumer and a 2-year commercial warranty.