product no:dd-800zj specification: * exquisite beauty of shape, it is made of high-quality aluminum metal alloy material , watertightness and antirust. * adjustable( ascend and descend) height(75-85 cm) of special design. * easy and convenient and cleverly made, install simple fixed inflation screw. * the new type kickstand dd1000nj is applicable to the dd1000a , dd1000b , dd-800, mg-8000 that our company produce