Scope of delivery: 10 large governor springs, 10 small governor springs, enough quantity for your daily needs. Material: The governor spring is made of metal, which has high strength and excellent elasticity, is sturdy and wear-resistant, has a long service life, and is an ideal replacement part for lawnmower engines. Advantage: The spring can reduce the noise caused by long-term use of the lawnmower, reduce the energy consumption of the engine, and extend the life of the machine. Note: Please check the model number and size before ordering to ensure that it is the correct part. Wide range of applications: This governor spring is compatible with Champion Lawnking Sprint, Quattro, Q35, Q45.