Package includes: 4 exhaust pipe tension springs. The size is 85*39.5MM RELIABLE QUALITY: The reliable spring hooks are made of high-quality materials with an ultra-high-temperature coating process for durability, high temperature resistance, and corrosion resistance. Aesthetically pleasing: A great accessory for your motorcycle exhaust. The stainless steel construction provides great strength and a beautiful design. Widely used: The muffler bracket is suitable for most motorcycles, scooters, dirt bikes, etc.