Item No: 15-1042 Brand: Ultra-FabMfg No: 48-979050Wt: 4.25UPC: 649119790503
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 4-pack with attractive nylon carrying or storage tote bag. Full size block weight limit is 30000 lb.