Aries Automotive 4" Diameter Big Steps will give your Tundra a bold, rugged look. These beefy steps are made from 4" Diameter Heavy Wall Stainless Steel. The wider bar also offers a wider step pad for more sure footing that also includes the new stainless insignia. The installation is fast and simple as the Big Steps use existing holes in your Tundra's frame so no drilling is required. Best of all, Aries Big Steps are backed by a Limited Lifetime Warranty.