Nine (9) pack of USA Mower Blades® replacement lawn mower blade for Exmark and Toro mowers. This product can expose you to chemicals including nickel_oxide and chromium_hexavalent_compounds, which is known to the state of California to cause cancer and birth defects or other reproductive harm. Hydraulic Hoses and Fittings. Lifting and Hanging Magnets. Lifts Jacks and Hoists. Magnetic Drills and Cutters. Motorcycle Lifts and Chocks. Pipe Cutting and Drilling. Pipe Stands and Vises. Pipe Threading Machine Parts. Rebar Cutting and Bending. SDS Drills and Bits. USA replacement blade fits Exmark® and Toro®. To ensure the blade will fit a certain mower, please make sure the part number and measurements match the original blade. Made in the USA. USA Mower Blades® manufactures high-quality, OEM replacement lawn mower blades. USA Mower Blades are made in the United States. Center Hole: 15/16 in. Requires (3) blades for 52-inch deck. Our friendly, experienced customer service team is ready to help! Customer Service Hours: 8:00 a. To 5:00 p. EST, Monday through Friday. For help with any questions you may have. Before returning an item to receive an RGA number. Please clearly write the RGA# on the outside of the box so we can quickly process your return. Thank you for purchasing from Erie Tools! If you are satisfied with your shopping experience, please leave us 5-star feedback in any applicable category. We appreciate the time and effort it takes to leave us a 5-star review.