- SIZE INTRODUCTION:The total length is 6 inches, the actual effective length is 4 inches.The set includes 5/32”x6”, 7/32”x6”, 1/4”x6”, 5/16”x6”, 3/8”x6”, 7/16”x6”, 1/2”x6”.
- Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work.
- Material: High-strength alloy steel is made by Wensilon, very hard.
- Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall.
- Compatible with most brands of impact drills on the market