Kreg 310 Pocket Hole JigThe Kreg Pocket Hole Jig 310 makes it easier than ever to build wood projects whether building the first DIY project, or have been working with wood for years. The Pocket Hole Jig 310 works with materials of any thickness between 1 2 In. and 1 1 2 In. It features a hardened steel drill guide and thickness stops for 1 2 In., 3 4 In., 1 1 2 In. material that give the versatility needed to build with boards and plywood. The included material thickness