10 specifications are available: M3, M4, M5, M6, M8, M10, M12, M14,, M20, each of type has different quantities. Type: 100pcs M3, 100pcs M4, 100pcs M5, 50pcs M6, 50pcs M8, 20pcs M10, 10pcs M12, 10pcs M14, 10pcs M16, 5pcs M20 (Optional).
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