ITEM NAME:Set Of 175 Stainless Steel M3 M5 M6 M8 M10 M12 Nylon Insert Description: Made of high-quality 304 stainless steel nylon lock nuts, it is non-corrosive Seven common sizes for general purpose use, nylon insert grips bolt threads to prevent loosening. Package quantity: 175-Piece Package Includes: M3 M4 M5 M6 M8 M10 M12 Comes with a Plastic Organizer Box for Storage Specification: Material: Stainless Steel Package Includes: 50 Pieces M3 Nuts 35 Pieces M4 Nuts 30 Pieces M5 Nuts 25 Pieces M6 Nuts 20 Pieces M8 Nuts 10 Pieces M10 Nuts 5 Pieces M12 Nuts SKU: DMO0012658852030487.20 Pieces M8 Nuts. 5 Pieces M12 Nuts. 10 Pieces M10 Nuts. 25 Pieces M6 Nuts. 30 Pieces M5 Nuts. 50 Pieces M3 Nuts. Made of high-quality 304 stainless steel nylon lock nuts, it is non-corrosive. Material: Stainless Steel.