A nut with a nylon ring built into it. When screwed in, frictional resistance is generated, making it difficult to loosen. Basically, once removed, the nut should be replaced. Therefore, it is used in parts where a lot of vibration occurs, such as bicycles, cars, and machinery. Used for tools, etc. It is convenient because it comes in a quantity that is easy to use. The material is stainless steel, so it has excellent rust prevention properties. Weight: 0.09 g Packing size: 7.6 x 6 x 1.9 cm; 0.09 g Size: M4 Style: 1_Large size Material: Stainless steel Battery usage: No
