FIRST OF ITS KIND MUD COVER FOR YOUR 1:4 SCALE DRIVE BELT! COVER YOUR PINION GEAR FROM MUD, ROCKS, DEBRIS, AND OTHER CARS! PRINTED FROM A DURABLE ONYX MATERIAL, THIS ALLOWS THE PART TO BE RIDGED BUT FLEXIBLE ENOUGH TO NOT BREAK UPON IMPACT! THIS MATERIAL HAS BEEN TESTED IN THE HARSHEST CONDITIONS IN DRAG RACING! IF OR WHEN YOUR CAR THROWS A BELT, OPEN THE DOOR HELD SHUT BY STRONG RARE EARTH MAGNETS AND YOU'LL BE BACK TO RACING IN NO TIME!