The price applies to a set for one axle. Spacers are bolted, 50mm thick on the side with the centering flange. Product description: material - PA6 duralumin, thread type - knurled pins ½ UNF, or M14x1.5 (Grand Cherokee WK) spacer thickness - 50mm per side (100mm) per axle) hole / flange diameter - 71.5mm hole spacing - 5x114.3mm nuts for fixing distances to the hubs (½ UNF, or M14x1.5 & nbsp