Wearparts Environmental Tillage Systems 20" x 4.5mm, 8 wave Coulter Blade 5 on 5-1/2", 4" Pilot, 1/2" Bolt (ETS#3403)
Wearparts Environmental Tillage Systems 20" x 6mm 13 Wave, 5 Bolt Coulter (ETS#102095)
Wearparts Environmental Tillage Systems Soil Warrior 20" x 4.5mm, 13 wave Coulter Blade 5 on 5-1/2", 4" Pilot, 1/2" Bolt (ETS#3411)