Case IH 14" x 3.5mm Trailing Assembly with Split Race Bearing, Xtreme Duty Low Profile Cast Housing Forges de Niaux14" x 3. 5mm Trailing Assembly with Split Race Bearing, Xtreme Duty Low Profile Cast Housing Forges de Niaux Seed Disc Openers to Fit Case IH Longer Wear, Leading Performance Having undergone a patented heat treating process to harden steel, Wearparts Seed Opener achieves up to 30% longer wear than competing openers! Built with high hardness, it will retain a sharp cutting edge to ensure accurate seed placement. ALLOW UP TO 7 DAYS TO SHIP