* Change 6 Part Black {6628 Technic, Pin with Friction Ridges Lengthwise and Tow Ball (Undetermined Hole Type) to 6628b Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Squared Pin Hole}
* Change 1 Part Black {6628 Technic, Pin with Friction Ridges Lengthwise and Tow Ball (Undetermined Hole Type) to 6628b Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Squared Pin Hole} (Extra)