Lynx Levelers with nylon carry bag feature an interlocking modular design to withstand tremendous weight under your RV and trailers. Simply set them up into a pyramid shape to desired height and roll onto the stack. For added utility the Levelers can be stacked and used as a solid support base for your stabilizing equipment. Additionally the Leveler's can be used under single or dual wheels, Tandem axles and under Jacks under almost all Recreational Vehicles and trailers. Lynx Levelers are made out of plastic
One bag has 10 blocks
The second bag has ten blocks but one is cracked.