Guards protect the rubber buffer, thereby increasing its service life. During the unloading process, the trailer usually moves vertically on its suspension according to the weight of the forklift. Vertical movement causes a quick wear of unprotected buffers. When steel guards are used, they absorb both vertical and horizontal movement of the docking vehicle, such as: trailer bumpers sliding over its surface, preventing the effects of incorrect parking. Steel guards are made of 12 mm thick, hot-dip galvanised corrosion resistant steel sheet.