I'm Travis from The Home Depot. Thanks for visiting our site.
Yes, all Echo Straight Shaft Gas Trimmers will accept the Brush Cutter Accessory.
The kit includes the arbor, washer and nut to retain the blade, as well as a low profile blade guard. Attachment and safety hardware is also included.
Click on this link for details about this kit:http://www.homedepot.com/p/ECHO-8-i...
Thank you for asking,