HSS coated drill bits. Material: HSS. Includes 6 kinds of sizes: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm. Size: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm. 6pcs Drill Bits. Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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