I have a single axle and bought four of the chocks. I already bought two sets of 10 of the Lynx levelers. Standard plastic chocks didn't work to well on them, rubber was a little better. Now with the locked in Lynx chocks, I don't worry about them slipping off the levelers.
Another big plus is once you place your levelers and locked in chocks, you can back onto the levelers and not worry about going too far.
I also bought the Lynx caps so I can lock a single layer of the levelers together.
I strongly recommend the whole Lynx package.
Best prices were www.walmart.com.
2019 Wolf Pup 16 BHS Limited, axle flipped
2019 F150 4x4 SCrew SB STX 5.0 3.55 factory tow package, 7000#GVWR, 1990 CC Tow mirrors, ITBC, SumoSprings,
