Product information "KREG® Kreg Jig® Pocket-Hole Jig 310" Portable jig for creating pocket-hole joints The Kreg® Pocket-Hole Jig 310 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 works with mnaterials from 13mm to 38mm thick. The 310 features a hardened-steel drill guide and thickness stops for 13mm, 19mm, and 38mm 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 warranty ensure that the Kreg Pocket-Hole Jig 310 will deliver years of project-building and home-repair satisfaction and value you expect from the #1 pocket-hole brand—Kreg. Technical Description Body Material Glass-filled nylon, hardened steel For Use with Materials from 13mm- to 38mm-thick; with adjustable stops at 13mm, 19mm, 38mm Number of Drill Guides (1) 9.5mm (3/8") diameter standard Kreg® pocket hole Screw-Centering Ability 9.5mm to unlimited Clamping Method Included Universal Clamp Adapter works with Kreg Face Clamps and a variety of other clamps Includes (1) Drill Guide with Material Thickness Stops (1) Easy-Set Drill Bit and Stop Collar (1) Material Thickness Gauge/Hex Wrench (1) 152mm Square-Drive Bit Owner’s Manual