The Kreg Pocket-Hole Jig 320 makes it easier than ever to build DIY wood projects-whether you?re building your first DIY project, or you?ve been working with wood for years. The Pocket-Hole Jig 320 features a hardened-steel drill guide and thickness stops for 1/2-inch, 3/4-inch, and 1 1/2-inch material that give the versatility you need to build with boards and plywood found in home centers.The included material-thickness gauge and easy-set drill bit make setup simple, and the anti-slip base holds the jig precisely in position while you drill perfectly-positioned pocket holes every time. Durable construction and a lifetime drill-guide ensure that the Kreg Pocket-Hole Jig 320 will deliver years of project-building and home-repair satisfaction and value you expect from the #1 pocket-hole brand-Kreg.This kit contains 1 drill guide with material thickness stops, an easy-set drill bit and stop collar, material thickness gauge/hex wrench, a 6-inch square-drive bit, and an owner's manual.At Kreg, woodworking is our passion. We take pride in a project well-done, and we understand how important the tools at hand are to the final product. That's why we craft the very best woodworking tools. We want our customers to feel confident in their ability to finish quality products with Kreg tools in hand.