The Kreg Drilling Guide Makes It Easy To Create Perfectly Straight Holes Without Using A Drill Press. You Can Get Precisely Positioned Holes With Just A Hand Drill. Featuring Six Hardened Steel Drill Guides���From 1/8' To 1/2'���That Do The Work Of Holding Your Drill In Position For You. The Guide Features An Ergonomic Design And Kreg Grip Maxx&Trade; Material That Ensures It Stays In Place As You Use It, So Your Drill Bit Won���T Wander Off Your Mark As You Start The Hole. The Drilling Guide Also Automatically Centers On The Edge Of 3/4' Wide And 1/2' Wide Boards And Plywood, So You Can Drill Holes That Are Perpendicular To The Edge And Perfectly Centered. Use The Drill Guide For All Kinds Of Tasks ��� Whether You Need A Hole For Driving A Screw, Mounting Hardware, Helping Create A Dowel Joint, And Much More.