The Kreg pocket-hole jig 310 makes it easier than ever to build wood projects whether you're building your first DIY projector you've been working with wood for years. The pocket-hole jig 310 uses a simple, easy-to-understand setup process that gives you the versatility you need to build with boards and plywood of any thickness between 1/2 in and 1-1/2 in. The 310 features a hardened-steel drill guide and a convenient material-thickness stop. 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 warranty ensure that the Kreg pocket-hole jig 310 will deliver the years of project-building and home-repair satisfaction and value you expect from the #1 pocket-hole brand Kreg.Easy-set drill bit engraved bit markings and stop collar with sight window make bit setup simpleMaterial thickness gauge/hex wrench helps set correct drill-bit depth, doubles as a hex wrenchGlass-filled nylon, hardened steel, thermoplastic elastomerPortable jig for creating pocket-hole jointsSimple to set up and easy to use with convenient material-thickness stopsVersatile for indoor and outdoor projects and making household repairsSecure positioning with anti-slip baseFoolproof setup with a material thickness gauge, positive stops and easy-set drill bit and stop collar