This is a high-quality power mate sprocket with 7 teeth suitable for use with Husqvarna 355, 357, and 359 saws. The sprocket is made of durable steel material and has a diameter of 2-7/8". It is compatible with a 2-stroke engine type and is powered by gasoline. The item comes in a pack of 1 and has a silver color. Please note that this description does not mention the condition of the item. However, rest assured that it is in great working condition and ready for immediate use.