Feature●Product Name: Stacked Drill Bit●Features: 4 Hollow Square Shank; Material: Metal●Tip Width: 0.9 inches (22 mm); Shank Size: 1.6 x 0.4 inches (40 x 9●Flute Length: 4.7 inches (120 mm); Total Length: 7.9 inches (200 mm)●Color: Gray; Net Weight: 9.5 oz (268 g); Package Content: 1 x Composition Drill Bit 1 x Holding CaseDescription
Concrete Drill Bit
For electric drills, electric trim, and impact drivers
For drilling holes in concrete, blocks, mortar, etc.