What you are referring to are called bolt leaders or fish wires. These are designed to put through a hole in the vehicle and then come back out of a larger hole. You will then thread the appropriate bolt on the spring end and gently pull the bolt into the appropriate position to complete the Installation. While I do not see these in the kit for the Aries steps like the AdvantEdge Nerf Bars part # AA2556049 for your 2019 Ram 1500 they may exist on other models. I've included a video explaining... view full answer...