These are special commemorative versions of the versatile carbon fiber plates from Item 15495 JR HG Carbon Reinforcing Plate 1.5mm. Made from 1.5mm thick carbon fiber material for great rigidity, they feature orange printed designs commemorating Japan Cup 2017, which is a huge Mini 4WD racing series held every summer in Japan. • 1.5mm-thick Carbon Reinforcing Plate x2 • Carbon fiber plates have around 50% greater tensile strength than FRP, improving the toughness of your Mini 4WD racer. The carbon fiber pattern will make it look racier, too! • Small parts for attachment also included. • Requires fitting of separately-sold aluminum ball-race rollers (Item 15437, etc.). • Compatible with MA, AR, Super-II and Super XX chassis Mini 4WD cars.