This tire stopper can be mounted to your car trailer, utility trailer, or other things. Screw them down where you want to stop your vehicle, mower, ATV, ect for a hassle free and consistent stopping point. The mounting hole is sized for No 6 or No 8 screws drywall or wood screws. They are sized to give positive feedback for when you bump into it, but still allow you to still drive over it if needed. 

Materials:

PETg - Good value all around. Good durability, good UV resistance, good chemical resistance, and heat resistant up to ~150 F. I have many mounts on my track car made from this with no issues.

TPU - Rubber-like, providing extra friction. Highly durabile, good UV resistance, good chemical resistance to oils, heat resistant (~180 F) but gets softer with heat. I have many mounts on my track car made from this with no issues.

ASA - Use this if stored outside. Great UV resistance, good durability, great chemical resistance, great heat resistance (195F).

Other materials may be available upon request.