Introducing STIX, Wheel Skewers…the newest and easiest way to organize your wheels and tires. These unique, 6.75″ skewer sets include 4 STIX, 4 tightening disks and 4 locking clips. Group all of your wheels and tires together in an organized fashion. Can also be used for wheel racks on scale projects. STIX are 4mm in diameter and 6.75″ long. The will accommodate 1:16 scale, 1:10 scale and 1:8 scale wheels – sizes ranging from 2.0″, 2.2″, 2.8″, 3.0″, 5.0″ up to 8″ and, if desired, can be painted with polycarbonate paint.