These BedClaw ™ footboard brackets attach to your existing headboard-only style bed frame allowing you to attach a bolt-on footboard. * (2) Two 7" (Twin/Full) Extension Rails, (2) Two Footboard Brackets * Although These Rails Are 7" Long, There Is Some Necessary Overlap Between The Extension Rails To Be Bolted To The Bedframe. Because of this Overlap, Your Extension Rails Will Actually Extend The Length of Your Bedframe 5 3/16" * (8) Eight Hex Bolts and (8) Eight Locking Tensi-Nuts to attach the extension rails to your Bed Frame * (4) Four 3 1/2" Bolts, (4) Four Nuts, and (8) Eight Washers for attaching the bracket to your headboard, with instructions