KREG DB210-HDBB - Foreman HD (Heavy-Duty) Drill Bit with Drill GuideHD (Heavy Duty) Drill Bit the accessory to have when you want to BUILD BIG! You can easily build outdoor projects, construct strong deck rails, and even frame walls. You need the HD Drill Bit with Drill Guide to get started building these projects with your Foreman Pocket Hole Machine (Item# DB210). The HD Drill Bit creates 1 2" (12mm) diameter pocket holes and features a one piece, hardened steel design. An HD Replacement Bit without Drill Guide is