20" Double Punch Ripple Coulter

20" Diameter; fluted coulter with double punch for 4 hole, 5" bolt circle or 4 hole, 5-1/4" bolt circle. Special design works on Blue Jet, Yetter, Oliver, DMI 4 bolt, Clymer and many others. Made of boron steel and is .177" thick. Great quality blade. Used on many Anhydrous applicators, moldboard plows, and deep tillage machines.Case-IH 920, NPX2800; DMI 2800 liquid fertilizer applicators.Great Plains in-line rippers SS0300, SS1300, SS1700, SS1800, SS2000.Salford in-line rippers 9203, 9204, 9205, 9206, 9207.White 423, 425, 426, 427, 428 435, 445 Conservation Chisel, Glencoe CC4450, Landoll 1230. Use with straight coulter arm.