Sold and Priced as a set of four (4) - Designed with hard thick steel to cut down on blade changes on the job. Each blade is designed for longer life and greater performance. long life blades are ideal for tough demands of riding power trowel. Fits: Wagman WX-623F Multiquip STH-60 (F11990) - Marshalltown Equivalent Sku 17351 Part # M7349ELG