Build exactly the ramp you need With this comprehensive and multifunctional package, you can build a custom-made ramp up to 4 different levels: 2.5 / 5 / 7.5 / 10 cm. With the parts, you can make a ramp or wheel block to level your caravan or motorhome or use the plates as a base for the corner supports of your caravan or trailer. This ramp is UV resistant, profile-shaped for extra grip and comes with a practical nylon carry bag with Velcro closure. - To level your caravan or motorhome, suitable for all soil types - Drive-up unit, multi-mix up to 4 levels: 2.5/5/7.5/10cm. - It can be used as a propellant and for other applications, such as soles for angle support or as a loose interlayer - Consists of 9 parts: 1x shim 21x21x12 cm, 7x building block 21x21x2.5/3.2cm and 1x building block 10.5x21x2.5/3.2 cm - Packed in nylon carrying case with Velcro closure - Made of high-quality lightweight plastic material with UV protection - Tread rib change for extra grip - Lightweight, high-quality plastic material with UV protection - Color: blue - Max shaft load: 5t - Clean after use with a brush and, if necessary, with water to preserve proper assembly of the building blocks