BLACK POWDER COATED STEP BARS** Made of 3" x .069 wall thickness Carbon Steel Tube. Carbon Steel plate brackets - Powder Coated. Zinc Plated Bolts, Nuts, and Washers. High Gloss Black Finish. No drilling required. Available for full size Trucks and SUV's THREADED INSERTS NASTA THREADS ITS STEEL INSERTS FOR ADDED STRENGTH. OTHER MANUFACTURERS DRILL A HOLE AND WELD A NUT TO THE BACK. RECESSED PIPE NASTA PUTS ITS PIPE IN A HYDRAULIC PRESS WHICH CREATES A DEEP CRADLE FOR THE STEP PAD. SOME MANUFACTURERS BARELY PRESS THE PIPE DOWN AT ALL. SLIP RESISTANT STEP PAD NASTA CREATED A STEP PAD THAT HAS EXCELLENT GRIP WHEN WET. EXCELLENT PACKAGING EACH BOX HAS THE PART NUMBER AND DESCRIPTION PRINTED CLEARLY ON THE BOX. NOT SMALL STICKERS. INSTALLATION SHEET CLEAR EASY TO READ INSTRUCTIONS ON QUALITY PAPER. WARRANTY NASTA INTERNATIONAL,INC. WARRANTS ALL ITS PRODUCTS FOUND TO BE DEFECTIVE IN WORKMANSHIP OR MATERIALS, AND UNDER NORMAL USE, TO THE ORIGINAL OWNER OF THE PRODUCT, FOR THE PERIOD THAT THE ORIGINAL PURCHASER RETAINS THE VEHICLE ONTO WHICH IT WAS INITIALLY INSTALLED. THIS LIMITED WARRANTY DOES NOT COVER INSTALLATION, REMOVAL, LABOR, FREIGHT OR OTHER INCIDENTAL DAMAGES.. SERVICE IT MAY BE THE LAST ON THIS LIST, BUT ITS WHAT WE AT NASTA THINK OF FIRST.