197870 Milwaukee Elec Tool 48-20-7497 Tapcon, SDS Bits Plus Installation Kit With 1/4 Hex Are Designed Specifically For Tapcon Screw Applications, Built To Take On Masonry Rebar, Feature 2 Cutter Geometry For Fast Drilling Debris Removal, The Patented, Reinforced Flute Design Increases Impact Resistance Transfers Energy Directly To The Bit Tip, Patented Rebar Chamfers Withstand Impact From Rebar Hard Aggregate Reduce Carbide Chipping, Exact Spot Drilling, Centering Tip Improves Accuracy, Includes: 1/4 Hex Drive Bit, 3/16 x 7 With 1/4 Hex Rotary Hammer Drill Bit, 5/16 Hex Drive Bit, 5/32 x 7 With 1/4 Hex Rotary Hammer Drill Bit, Drive Sleeve, #2 Phillips Driver Bit, #3 Phillips Driver Bit, All In A Durable Carrying Pouch.