Our steel triple axle trailer fenders are made of quality 16 gauge steel in a teardrop style. Made in the USA and includes free shipping*. Because of their size, tri-axle trailer fenders need to ship LTL freight. The shipping dimensions of these fenders exceed UPS & Fedex's package dimension limits. The price shown is with free shipping to a COMMERCIAL address. Any address that is zoned residential is subject to an additional residential delivery charge.