1、Sturdy Material: Made from stainless steel and nylon, the garage door tune up tool kit offers excellent durability and long lasting usage, resistant to wear, erosion and oxidation. 2、Complete Kit: The kit includes 5 size 1 hinges, 2 size 2 hinges, 2 size 3 hinges, 10 nylon rollers, 2 top brackets, 1 2650 wire rope, and a pack of screws, making installation a breeze. 3、Adjustable and Stable: The garage door kit comes with an adjustable top roller bracket and premium quiet rollers, ensuring smoother and consistent performance of your doors. 4、Enhanced Performance: The tune up hardware kit can be used to upgrade your garage door's performance, designed to reduce noise, improve smoothness, and extend the lifespan of your garage door. 5、Versatile Use: With its wide application, this garage door roller kit is suitable for any garage door, just the complete and excellent solution to quieten your noisy doors up.