The Fiamma Level System Jumbo is a pair of strong and stable caravan and motorhome levelling ramps with a ridged surface that allows two ramps to be interlocked for increased height when levelling on particularly sloping ground. The ridged surface of the levellers also help to grip the caravan or motorhome tyre keeping it perfectly level and secure.The Fiamma Level System Jumbo is a pair of strong and stable caravan and motorhome levelling ramps with a ridged surface that allows two ramps to be interlocked for increased height when levelling on particularly sloping ground. The ridged surface of the levellers also help to grip the caravan or motorhome tyre keeping it perfectly level and secure.