Comprehensive Size Range: Includes seven metric sizes from M3 to M12 with 180 pieces, providing versatile options for various projects from furniture assembly to mechanical repairs
Durable 304 Stainless Steel: Crafted from high-strength 304 stainless steel, these lock nuts resist corrosion and oxidation better than galvanized alternatives, ensuring long-lasting performance
Reliable Black Nylon Insert: Features nylon inserts that create tight friction fit with bolt threads, offering superior anti-loosening protection against vibration, abrasion, and repeated use
Organized Storage Solution: Packed in a clear, compartmentalized box that keeps each size sorted and easily accessible, preventing loss and saving time during use
Wide Practical Applications: Ideal for securing components in automotive, furniture, mechanical industries and small repairs, supporting standard threaded metric nuts for multiple maintenance needs