This V-groove idler pulley is perfect for Ariens and Husqvarna products with 3/8" bore and assorted models. It is made of durable plastic material and comes in a sleek black color. The item width is 2.5". This unit is easy to install and will ensure a smooth and efficient operation of your lawn mower. With this pulley, you can be assured of a longer lifespan for your equipment. Perfect for yard, garden, and outdoor living needs.