• Creates joints 50% stronger than standard Kreg Joints
• Optimized for large outdoor projects
• For use with materials 1 1/2" thick (38mm) and thicker
• Works with the Kreg Pocket-Hole Jig K5, K4, and K3
• Stop Block provides easy, repeatable registration to workpiece
• Face Clamp locks into Kreg Jig HD for secure drilling
• Hex-Shank HD Drill Bit is Quick-Change compatible