Knowing that your 5th wheel trailer hitch is properly mounted in your truck bed is vitally important to the success of your towing. Without a firm attachment point, a 5th wheel hitch is rendered useless to your tow vehicle. When you choose a 5th wheel hitch for your pickup, install it with confidence with a Curt Manufacturing 5th wheel bracket kit and a set of Curt Manufacturing 5th wheel base rails.This multi-pack of 5th wheel mounting bolts is intended to be used for reinstalling used 5th wheel base rails. The bolts fit Curt Manufacturing universal base rails and come with a zinc finish for long-lasting rust resistance. Ten sets of eight bolts are included in this package.