The Kreg Pocket-Hole Jig 320 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 320 works with materials of any thickness between 1/2 In. and 1-1/2 In. It features two drill guides, a removable spacer, and stops for 1/2 In., 3/4 In., and 1-1/2 In. thick material that give the versatility needed to build with boards and plywood. The included material thickness gauge and easy-set drill bit make set up simple, while the convenient clamp adapter and anti-slip base hold the jig precisely in position while drilling perfectly positioned pocket holes every time. The jig and it's included components store in a durable, compact case that even has space to store Kreg Pocket-Hole Screws. Engraved bit markings and stop collar with sight window make bit setup simple. Clamp adapter is a convenient attachment for simple and quick clamping using Kreg and other clamps. Durable construction and hardened-steel guides with a lifetime warranty ensure that the Kreg Pocket-Hole Jig 320 will deliver years of project-building and home-repair satisfaction. Includes (2) drill guides with material thickness stops, drill guide spacer, easy-set drill bit and stop collar, material thickness gauge/hex wrench, 6 In. square-drive bit, (40) sample screws, Owner's Manual, carrying case.