If you're trying to protect your ATV from rocks, debris, and the hazards of trail riding, the Ricochet Bullet Swing Arm Guard is some of the toughest protection you can get. Designed with the same high level durability as all of their plates, Ricochet builds the Bullet Swing Arm Guard out of .250 inch (1/4" or 6.35 mm) thick 6061 aluminum alloy plate that is precision bent and welded at every seam.