Echo Outdoor Power Equipment:GET THE POWER OF ECHO!!! ECHO brings power, durability and increased productivity with products like our X Series. The ECHO Pro Attachment Series™ (PAS) lets you buy the tools you need, when you want. Our expandable multi-task tool gives you the versatility you are looking for when stocking your trailer or tool shed. When your job requires a change, a simple tool-less coupler makes changing to another tool quick and easy. Available attachments include the ProPaddle, string trimmers, edgers, hedges trimmers, and so many more.