Versatile Industrial Grade Spring: Designed for use in appliances, automobiles, boats, toys, tools, machinery, devices, and diverse equipment requiring reliable tension. Easy Replacement with Included Tool: Excellent pliability facilitates simple installation; the INCLUDED spring expansion tool ensures effortless removal and replacement of damaged springs. Optimized Performance & Durability: Crafted from premium spring steel for optimal retraction and tension consistency. Features corrosion-resistant coating for reliable indoor/outdoor operation and extended service life. High-Quality Construction: Made from durable spring steel for superior elasticity and maximum force retraction during stretching. Set includes TWO (2) units of Model 540183#61 Tension Springs.