5pcs Masonry Drill Bit Set 6mm to 12mm Concrete Drill Bit Set Hex Shank 11.8x9.8x5.9 Inch Wall Thinkness:1mm

Wall Thinkness:1mm

After natural relaxation

Male Thread: G1/4

The installation base made of plastic which is anti-rust and durable

1 X Acrylic Sheet

5pcs Masonry Drill Bit Set 6mm to 12mm Concrete Drill Bit Set Hex Shank 11.8x9.8x5.9 Inch Wall Thinkness:1mm1. Made of quality carbide YG6X, the rust resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. 2. Four blade design, small incision resistance and small incision resistance. The U shaped groove drill design can effectively remove debris and improve your work efficiency. 3. 1 4 inch Hex Shank Masonry Drill Bit for most common drills, power drills, hand drills and bench drills, easy to install and