FITMENT The roll bar compatible with Full Size Trucks Silverado Ram F150. Not compatible with Tonneau covers. Please confirm your model before purchasing to avoid that the purchased product is not suitable for your vehicle FEATURE Made of automobile grade steel, wearresistant, stable and reliable, high strength, good impact resistance, better antiaging performance. Black powder coated surface can not only add a unique appearance, but also avoid surface metal oxidation, improve rust resistance, enhance durability FUNCTION The roll bar can hold the items in the carriage and prevent them from falling. It also has an expansion function with mounting holes. You can install led lights according to your needs to help drive safely. Because of its adjustability, it fits all fullsize trucks PACKAGE 1 X Roll Bar. No instructions. Installation hardware is included PACKAGE 1 X Roll Bar. There are no instructions but we have the installation video, you can learn the installation through the video on the details page, efficient and fast. Installation hardware is included