Heavy Duty Pocket Hole Jig, Designed For Large Outdoor Projects, Anti-Corrosion Layers For Long Term Moisture Resistance, For Use With 1-1/2" Materials & Up, Stop Block For Easy, Repeatable Registration To The Workpiece, Face Clamp For Locking Into The Jig For Secure Drilling, Hex-Shank, Quick Change Compatible, Works With The K3 & K4 Kreg Jig & Jig Master System, Includes 1/2" Heavy Duty Drill Bit, Stop Block, 6" Driver & Stop Collar, THIS ITEM IS ONLY AVAILABLE TO KREG DEALERS.