This product is a set of two Husqvarna 22-inch lawn mower blades with a crown cut design. The blades are OEM parts with model number 580-244001 and are powered by gas. They are 4-in-1 blades, meaning they can be used for mulching, bagging, side discharge, and shredding. The item dimensions are 22 x 22 x 22 inches (height, length, and width).