Hillman Standa Residential Door Nylon Wheel Roller - Garage is the nylon wheel roller designed for most residential sectional garage doors. This durable nylon wheel ensures quiet operation and long-lasting performance, making it an excellent choice for maintaining the smooth function of your garage door. The roller features a 1-3/4" wheel, a 4" stem, and a 7/16" shaft, providing reliable fit and stability. Each package comes complete with detailed instructions, mounting hardware, and essential warning and safety information to guide you through proper installation. Please note, incorrect installation or door positioning can result in serious injury or death, so it is important to carefully follow all included warnings and instructions. Model Number: