The Huskee 1/2" X 42" A40k / 4l420K V-Belt 44-60820 is a high-quality power transmission belt made with Kevlar material. It is a V-Belt type, specifically designed for industrial automation and motion controls, as well as mechanical power transmission applications. With its durable construction and reliable performance, this belt is suitable for various machinery and equipment that require efficient power transmission. The 4l420K model number indicates its size and compatibility, ensuring a proper fit for specific machinery systems.