Left side nerf bars for Spike type midget chassis. Made from .875 X .065 stainless steel or chromoly tubing. WHEN ORDERING, BE SURE TO SELECT YOUR NERF TYPE FROM THE "Midget Nerf Options" MENU. ALL BUMPERS AND NERFS ARE PRECISION FIT AND ASSEMBLED IN JIGS THAT ARE SET TO STANDARD CHASSIS DIMENSIONS. IF YOU ARE UNSURE OR HAVE QUESTIONS ABOUT FIT, PLEASE CLICK ON THE "CONTACT US" LINK ABOVE AND WE WILL WORK WITH YOU TO MEET YOUR BUMPER AND NERF NEEDS.