Our drill Bits set 5 size 2.8x10mm, 3.0x10mm, 3.2x10mm, 3.5x10mm, and 4x10mm, along with 5pcs replaceable bits and 5pcs wrenches Our countersink drill bits are designed with drilling easier for you Our countersink drill Bits set 2 drilling methods, making it suitable for internal wood drilling, guaranteeing professional finish Use a center punching for precise drilling positioning and maintain to Bits bending or breakage Drill through including ceramics, metals, wood, This drill set suitable for various drilling machines, ensuring flexibility in your tasks Crafted from steel, our countersink set boasts hardness and wear resistance This durability ensures longevity and minimizes the risk of breakage, allowing for efficient and quick hole drilling with outstanding cutting, Manufacturer: LiRRvb