Material: Motorcycle exhaust springs are made of stainless steel, durable and corrosion resistance, long service life. Size: The total length is about 65mm/2.56in Design: One end of spring has a rotatable hook. Eliminates binding and extending of spring life. Application: the stainless steel springs are suitable for most riding motorcycles, scooters, ATVs, etc. Package include: 6 motorcycle exhaust pipe springs