Description: 1. It is made of high-quality steel with precision processing and precision processing, which is strong and durable, anti-oxidation, and durable 2. The smooth edge will not damage the bicycle chain and is suitable for the chain to rotate smoothly 3. The tensile strength is as high as 950kgf, which is suitable for temporary use and maintenance of bicycle chains 4. Each pack of 5 pairs, the bicycle accessories meet your needs, quick release and binding design, you can use it without tools specification: Material: Steel Color: silver Tensile strength: 950 kgf Size: 10 speed Quantity: 5 pairs Weight: 16g Included in the package: 5 pairs of bicycle chain links