50pcs M1.7 M2 M2.3 M2.6 M3 M3.5 M4 M5 M6 Nickel-Plated Carbon Steel Allen Key Hex Hexagon Socket Cap Head Self Tapping Screw

50pcs M1.7 M2 M2.3 M2.6 M3 M3.5 M4 M5 M6 Nickel-Plated Carbon Steel Allen Key Hex Hexagon Socket Cap Head Self Tapping Screw

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