Build exactly the ramp you need! With this comprehensive and multifunctional package, you can build a customised ramp up to 4 different levels: 2.5 / 5 / 7.5 / 10 cm. With the parts you can make a ramp or wheel chock to level your caravan or motorhome or use the plates as underlay for the corner supports of your caravan or trailer. This ramp is UV resistant, profile shaped for extra grip and comes with a handy nylon carrying bag with velcro closure. - To level your caravan or camper, suited for all soil types - Drive-up device, multi compound up to 4 levels: 2.5 / 5 / 7.5 / 10cm. - It can be used as drive-up device and for other applications, such as sole plates for angle supports or as a loose shim - Composed 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 carrier bag with hook-and-loop closure - Manufactured in high quality light plastic material with UV protection - Tread rib surface for extra grip - Light, high quality plastic material with UV protection - Colour: blue - Maximum axle load: 5t - Clean after use, using a brush and if necessary with water, in order to preserve the correct assembly of the building blocks