6 Pack of Tiergrade Micro USB 2.0 Charging Cables | $1.50 each *HOT* This post may contain affiliate links. Please see the full disclosure policy here. Posted on February 14, 2017 Written by Mary Leave a Comment Hurry on over and grab this 6 Pack of Tiergrade Micro USB 2.0 Charging Cables for only $8.99 (regularly $12.99) when you enter promo code ZGTRUHIP at checkout. That makes each cable just $1.50!!!