19 PCS Hex Shank Drill Bit Set, 1/16"-1/4" HSS Titanium Coated Twist Bits for Metal Wood Plastic, 4241 High Speed Steel Small Quick Change Drill Bits with Holder Floor Cord Covers Good conductivity

Good conductivity

Textured handle provides slip resistant grip

tempered zinc-plated carbon steel construction will last a long time

the application rate and the porosity of the concrete

Brand: taakcc

19 PCS Hex Shank Drill Bit Set, 1/16"-1/4" HSS Titanium Coated Twist Bits for Metal Wood Plastic, 4241 High Speed Steel Small Quick Change Drill Bits with Holder Floor Cord Covers Good conductivityAbout this item [19+1 PCS] Hex Drill Bit Set: Our drill bits sets includes 13 most commonly used sizes, 1 16'' X 2, 5 64'' X 2, 3 32'' X 2, 7 64'' X 2, 1 8'' X 2, 9 64'' X 2, 5 32'' X 1, 11 64'' X 1, 3 16'' X 1, 13 64'' X 1, 7 32'' X 1, 15 64'' X 1, 1 4'' X 1, with 1 4'' hex shank, 1pcs drill bits holder Outstanding Material: Our hex shank drill bit set made of 4241 high speed steel with titanium coating, resistance and durability, 1 4'' hex shank