Personalized Firefighter Helmet Trailer Hitch Cover. 3.0" X 5.0"" Self-locking", no pin needed. This Hitch Cover will make a Great Gift for that special Firefighter in your life.  Hitch cover is personalized with the number of your choice.  These Hitch Covers are 3D Printed with Black, White and Red PLA plastic.  Each has a "self-locking" mechanism so that no pin is needed.   However, the "self-locking" mechanism can be removed so that a Hitch pin can be used if desired.  Best of all these are made right here in the good ol' USA. Free Shipping! Message us after sale with desired number.