"This American Truckboxes U-bolt mounting kit provides everything needed to mount an American Truckboxes heavy-duty aluminum rack box to your truck. U.S.A. Product Style Mounting kit, Mount Type U-bolt, Material Type Steel, Mount Bracket Included Yes. Works with item#s 716119, 716120 and 716121 Kit includes 4 U-bolts, U-clamp brackets and complete instructions"
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