About this item Re-mounting, but lost your old hardware? Don't buy another mount! This kit includes everything you'll need for wood or concrete installs. We don't screw around: Our lag bolts are custom-hardened to prevent snapping or breaking. Which size drill bit do you need for mounting to wood or concrete? Trick question: They're both included. Plays well with others: This kit was designed for various mounts, but will work for whatever mount you've got. Dimensions: 11.26 x 9.02 x 1.34 inches.