The D6-GSTEI-21.63 is a Good Retroroll(ST) pulley measuring 20.250 inches, designed for efficient material handling in conveyor systems. This precision pulley is constructed from durable materials, ensuring long-lasting performance in various industrial applications. Its design minimizes wear on belts, enhancing the overall efficiency of your system. The pulley meets industry standards for safety and reliability, making it a trusted choice for professionals. With easy installation and maintenance, the D6-GSTEI-21.63 is perfect for those looking to improve their material handling operations with high-quality components.