USA Mower Blades 50 8"x2" Unpainted Edger Blades for Echo 720237001, RYOBI 613223, HUSQVARNA: 578 39 28-02, 601 00 24-54 USA Mower Blades replacement edger blades. Fits certain Echo, Green Machine, Husqvarna, Maruyama, Red Max, Ryobi, Shindaiwa, and Stihl edgers. Made in the USA. These blades have not been sharpened, heat treated, or painted. Quantity: 50 Pack