Burton M6 Channel Replacement Hardware A spare set of every screw, washer, and insert needed to mount your Burton EST bindings to The Channel. Sometimes the mounting hardware that comes with your board gets lost. Dont let that unfortunate event leave you stuck on the couch. Instead, plan ahead by picking up everything you need  screws, washers and inserts  to properly mount your Burton EST bindings to The Channel. Includes Four M6x13 Screws with Four Tabbed Washers and Four Board Inserts