Crescent Paddle Bit Set CDSPSET 16 16 Piece (1 4 Hex Shank Impact Rated Screw Point Self Feeding Wood Drill 15X Faster 6 Inch Length) Laser Measuring Tool attach them to a locking attach them to a locking extension bar to maintain rigid alignment and prevent the wrench from slipping off the fitting under heavy torque this 5 inch to 6 inch angle grinder utilizes BITURBO Brushless™ Technology—a high performance motor and drive train system engineered to deliver power comparable to a 13 Amp corded tool (1) Heavy Duty Fabric Storage Pouch 16 kg) Pro Tip: Allow the self feeding threaded screw tip to pull the bit through the wood framing naturally without pushing hard on the impact driver