CR 1/8" MAGNESIUM ULTRA LITE AXLE COLLARS

1/8" magnesium ultra-lite, axle collars. For 1/8" axle / Hardbody racers, who like to keep their inline gear mesh, while testing different rear tires. Not to be confused with heavier 4-40 screw, aluminum, or way heavier, 4-40 screw, plated brass ones. Approximately .195" wide x .295" diameter. Uses standard gear wrench, with your own favorite, 4-40 set screws.