Good: The Rogue Bar: The bar used at the CrossFit Games. 28.5 mm bar made from 155K PSI steel with both powerlifting and Olympic weightlifting knurling marks, no center knurl, and snap ring sleeves with high end bushings. Black zinc shaft and bright zinc sleeves. Made in the U.S.A.Best: Westside Power Bar: 29 mm bar from 185K steel designed to the specifications of Louie Simmons. Snap ring sleeves with high end bushings. More aggressive knurl texture with center knurl and powerlifting knurling marks with black zinc shaft and bright zinc sleeves. Made in the U.S.A.