The material seems to be very strong. Great that there is a backlight as well as an L key! Worked great on my RV! Definitely recommend these
Pros
πSUPER CONVENIENT AND SIMPLE: Our newly upgraded wheel chock is better than other competitors! Installation only requires a pair of hands with no tools. In addition, the four movable grippers in contact with the tire quickly adjust the angle to suit different tire sizes, and finally fit the tire perfectly. The entire installation process takes less than 20 seconds.