Hot Racing Mini-T 2.0/Mini-B 12mm Aluminum Hex Set. This is an optional accessory intended for the Losi Mini-T 2.0 and Mini-B. Constructed from durable 6061 machined aluminum these rear hexes come in a 12mm hex size allowing you to use 12mm hex wheels on your Mini-T 2.0/Mini-B vehicles. Package includes two aluminum rear 12mm hexes, two aluminum front 12mm hexes and two rear drive pins.