Description:  Woodworking Aluminum Alloy Pocket Hole Jig 9mm Carpentry Hole Puncher Locator Angle Drill Guide with Step Drill Bit Set.     Specification:  Main Body Material: Aluminum Alloy.  Drill Bushing Material: Alloy Steel.  Color: Black.  Drill Bushing Hole Size: 9mm.  Two Hole Center Distance: 22mm.  Size: 95x50x32mm.     Including:  1Pcs Pocket Hole Jig.  1Pcs 9mm Step Drill Bit with Stop Collar.  1Pcs 100mm Double Head PH2 Screwdriver Bit.  1 Pack of Screws and Plugs.     Features:  1. The scale of the slant hole is calculated by the professional software relationship, and the plate thickness is adjusted somewhat.  2. Accurate adjustment, adjust to the thickness of the board, and hit it in the center of the board.  3. Steel extended drill sleeve, quenching operation is stable and durable, and can be replaced and replaced.  4. Compact and lightweight, it is easy to carry.  5. With high-quality step drill and screwdriver bit send plug screw sample package.