Features: 1. Function: Safely replace brake shoes on heavy-duty tractors and trailers. 2. Benefits: This tool has a little hook that engages the spring at the J eye on the end, and the bar goes under the axle to leverage the spring out of position. 3. Time Saver: Best choice for doing brakes in a hurry. Serve as a lever against the axle to seperate the spring loop from the brake shoe. Safely replace brake shoes. 4. Superior Material: Made of high quality steel, have a unparalleled long lifespan with great durability. 5. Satisfaction Guarantee: If you are not satisfied with this products, simply asked money back guarantee with 12 month's warranty. .