The Toro 1603414 Spring-Extension is an authentic OEM replacement part specifically engineered for various Toro GrandStand stand-on mower models. This durable extension spring is crucial for maintaining proper tension within the mower's assembly, contributing to the smooth and efficient operation of your equipment. Manufactured to Toro's exacting standards, it ensures a precise fit and long-lasting reliability. Weighing approximately 0.023 kg, this spring is a vital component for specific mower applications.