Embedded Road Solar Stud Light For Parking Lot With Shank. Solar Powered Road Stud With Shank For Urban Road-RUICHEN. Size is L125mm*W107mm*H26+50mm with shank or without shank, Water proof is IP68. warm white is hot sale in the world. load capacity is over 30 tons, Solar road marker can be installed at the parking lot, few cars can pass throught.