Photo 1 of MABLEVI M35 Four Spiral Flute Cobalt Step Drill Bit Set 1/8"-7/8", Wear-Resistant TiAlN Coated 1/4" Hex Shank Unibit Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic?3Pcs?

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Photo 1 of MABLEVI M35 Four Spiral Flute Cobalt Step Drill Bit Set 1/8"-7/8", Wear-Resistant TiAlN Coated 1/4" Hex Shank Unibit Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic?3Pcs?Photo 2 of MABLEVI M35 Four Spiral Flute Cobalt Step Drill Bit Set 1/8"-7/8", Wear-Resistant TiAlN Coated 1/4" Hex Shank Unibit Step Bit for Metal, Stainless Steel, Aluminum, Wood, Plastic?3Pcs?