N-FAB C1589QC-TX Textured Black Nerf Step; Wheel 2 Wheel Chevy-GMC 2500 / 3500 (15-16 Diesel Model) Double Cab 6.5' Standard Bed 15-18 Trend-setting Nerf Step in the Wheel 2 Wheel Configuration are built with a 3" Main tube that fits tight to the body with steps positioned at each door that allows the ultimate access for all passengers on stock or lifted vehicles Proudly manufactured in Houston Texas USA, 100% welded construction creates a true 1-piece assembly that allows for ease of install and for the ultimate in strength, rigidity and durability through the most extreme use Steps are sold in pairs, Metal dimpled step plate allows superior traction and stability in any weather condition 4-Stage powder coating process creates a long lasting finish that will handle the most extreme enviroments, backed by a 5-Year Finish Warranty Install Notes: Direct Bolt-On