- Suitable for drilling wood， metal， plastic， and masonry.
- The plastic carrying case comes with a locking system and labeled compartments to keep your bits organized upon purchase.
- Magnetic bit holder holds drill bits for driving fasteners without a tool.
- The materials provide superior durability and up to 50% improved lifetime compared to standard high-speed steel drill bits. They also reduce friction between the bit and drilling subject， giving you improved hole boring speeds.
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