Farmers around the globe who till and plant their soil with Ingersoll products enjoy a powerful and real advantage. Ingersoll disc blades and coulters are proven season after season to improve farm productivity and profitability. Up to five times sharper than conventional blades, ResidueRazor disc blades are specficially engineered to manage new genetically engineered (Bt) corn hybrids and soybean varieties, as well as wheat and barley straw. They resist chipping and cracking in rocky conditions and penetration in hard soil conditions is unparalleled.