It contains 320pcs/5 Sizes of the commonly used Stainless Steel Screws Bolt Nuts. 20x2 6mm Screws. 20x2.5 8mm Screws. 10x3 8mm Screws. 5x3 12mm Screws. 5x3 16mm Screws. 5x4 8mm Screws. 5x4 16mm Screws.
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