1 pack of 4 black tubes with screws

Only for those who have lost the steel sleeves for their AA collapsible structure! For example, during a move... :). Components that allow you to attach the ears to the base:
 One pack purchased includes four AA chair sleeves.
 Made of black powder-coated stainless steel with two screws on each sleeve and an Allen key included.
 Allows adaptation to AA structures only from Airborne