The Case IH 108489A1 is a genuine OEM disc designed for various Case IH agricultural machinery, including 1200 series planters, 800 series air seeders, and 5400/5500 series drills. This durable disc features a 451 mm diameter, 4.7 mm thickness, and 6 bolt holes with an 11 mm diameter on a 133 mm bolt circle, centered by an 89 mm bore. Weighing approximately 0.54 kg, it is engineered to maintain precise planting and seeding operations.