Ultra-Fab 10-Pk 8-5/16"x8-5/16" Interlocking Levelling Blocks w/Storage Bag 48-979051 15-1043

Interlocking blocks are stackable in a number of configurations. Stack in different ways to achieve a perfect levelling of your RV. Comes in a handy 10-pack with attractive carrying or storage tote bag. Full size block weight limit is 30000 lb.