Photo 1 of 710PCS M3 Screw Assortment Kit, M3x6/8/10/12/16/20/25/30mm M3 Screw Kits, 10.9 Grade Alloy Steel Metric Hex Button Head Cap Screws, Nuts and Flat Washers, Black Zinc Plated Screw Set for 3D Printing

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Photo 1 of 710PCS M3 Screw Assortment Kit, M3x6/8/10/12/16/20/25/30mm M3 Screw Kits, 10.9 Grade Alloy Steel Metric Hex Button Head Cap Screws, Nuts and Flat Washers, Black Zinc Plated Screw Set for 3D PrintingPhoto 2 of 710PCS M3 Screw Assortment Kit, M3x6/8/10/12/16/20/25/30mm M3 Screw Kits, 10.9 Grade Alloy Steel Metric Hex Button Head Cap Screws, Nuts and Flat Washers, Black Zinc Plated Screw Set for 3D Printing