90850C92 Disc Opener Assembly 14 Inch X 3.5 MM Fits Case IH 800 900 950 PlantersOne New Aftermarket Replacement Left Hand Disc Opener Assembly Fits Case IH (Fits Case International Harvester) Planters and Grain Drills This 14 inch x 3. 5 mm heavy duty left hand (LH) seed disc opener assembly is a direct replacement Fits Case IH (Fits Case International Harvester) planters and grain drills. The left hand orientation means the taper is on the same side as the hub. The assembly includes a 3. 5 mm thick blade, 204PY3 bearing, bearing