The Pull Starter Spring, a must-have accessory for your gas engine, is designed with precision wear metal coil and high-quality materials, ensuring longevity and reliability. This package contains 10 units, catering to even larger engines, making it an ideal choice for your diverse power needs. Perfect for gasoline engines ranging from 2.5KW to 3.5KW, it's a game-changer in the automotive repair industry. Its quick rebound mechanism, combined with its minimal physical effort, makes it an easy and efficient starter assist tool, reducing the workload on your hands. With a wide range of applications in various industries, this starter spring is a valuable asset for professionals and DIY enthusiasts alike.