Replaces OEM Part Numbers: Exmark: 103-6403, 103-6403-S, 103-6383, 103-6383-S, 103-6393, 103-6393-S, 103-6398 Compatible with Exmark Models: Lazer Air Cooled, Lazer AS, Lazer CT, Lazer DS-Series, Lazer E-Series, Lazer Liquid Cooled, Lazer S-Series, Lazer XP, Lazer XS, Lazer X-Series; Next Lazer Advantage Series-X, Next Lazer Air Cooled, Next Lazer Propane Compatible with Exmark Models: Pioneer S-Series, Radius E-Series, Radius S-Series, Radius X-Series, Staris S-Series; Turf Ranger, Turf Tracer Hydro, Turf Tracer X-Series 60 Hydro ECS, Turf Tracer X-Series 60 Hydro ECS Stand-On, Turf Tracer X-Series 60 Propane Hydro ECS, Vantage 60, Vantage S-Series 60, Vantage S-Series 60 Propane, Vantage X-Series 60, Vertex S-Series 60 High Quality: The Blades are made of high-grade steel, ensuring its durability and long-lasting use. The powder coating on the lawn mower blade prevents rust and makes cutting more efficient. Package Includes: 3 x Lawn Mower Blades. Blade Length: 20-1/2", Blade Width: 2-1/2", Thickness: .203", Center Hole: 15/16", Outer Hole: 1/4". Deck Dize: 60". Please verify the center hole shape before your order.