These lock nuts are made of stainless steel material, strong and durable, with excellent texture, and can serve you for a long time without being easily damaged or deformed. It has a simple design and practical functions, can play an excellent fastening effect and excellent stability, and will not easily loosen. Features -Color:Silver -Material:Stainless steel -Size: About17.00X9.50X2.20cm/6.68X3.73X0.86inch -It is made of stainless steel material, safe to use, sturdy and durable. -With excellent stability and fastening effect, it can bring convenience to your work. -It is made with excellent craftsmanship, has excellent texture, and has excellent anti-rust performance. -The high-strength screw nut set has practical functions and can meet your needs. -Simple and practical, easy to install, you can use it with confidence.