Product information: Part number: 120-7027, this extension spring is Compatible with QUEST, fits for TimeMaster and also fits for Toro. (It is compatible with most major lawn mower brands.). After purchasing this product, you will receive two springs Product function:1. Controlling the Cutting Mechanism: This spring is typically used in Toro lawn mower cutting systems (such as blade brake or clutch mechanisms) to maintain proper tension during operation and ensure the blade stops safely when the engine is shut off. 2. Connecting Critical Components: It may be linked to the brake lever, throttle cable, or blade control rod, assisting in the rebound or reset of mechanical parts to keep the mower functioning properly Replacement Recommendation: If your lawn mower exhibits slow brake response, continuous blade rotation, or loose control lever, this spring may need inspection or replacement Quality materials:The extension spring is made of spring steel wire, offering durability, wear resistance, strength, and resistance to breakage, ensuring a long service life Compatibility: Fits for Toro Timemaster Lawn Mower Part : 20199, 20200, 20975, 20976, 20977, 20978, 21199, 21199HD, 21200, 22200, 22205TE, 22210, 74670, 74675, 74680, 74781, 74784, 74785, 74787, 74790, 74793, 74797, 74798, ECKA30, QSS708GEM42200, QSS725GKC42200,ECS180CKA30000, Compatible with QUEST, fits for TimeMaster and also fits for Toro. This part is compatible with most trimmers, snow blowers, tractors, and similar machines After-sale service: We will provide you with quality and performance guarantees. If you have any questions about our products, please feel free to contact us. We are happy to assist you and enhance your shopping experience