This is an optional pack of Team Associated Factory Team Reflex 14B/14T 10mm Aluminum Shock Caps and Collars, intended for use with the the Reflex 14B 4WD Electric Buggy and the Reflex 14T 4WD Truggy kits.
Includes:

(2) Aluminum shock caps
(2) Aluminum spring collets
(2) Aluminum shock bottoms
(2) O-Rings, 12.5 x 1.5mm