Stamped from 14-gauge U.S. steel, these 6-1/2" wide fenders are E-coated to prevent rust and corrosion with the lowest paint prep in the industry The use of precision deep-draw stamping technology ensures a consistent flawless finish while minimizing body work May also be used in a variety of custom applications No mounting blocks required Made in the U.S.A.. FENDER FT SFT SLM 16/18"