John Deere-style premium aftermarket cutting edge. Part reference T190207. Application/reference: Heavy Duty Center Cutting Edge John Deere 850. Replaceable ground-engaging edge for excavation, grading or material handling with the matching blade or bucket. Mounting: 1-in plow bolt; confirm bolt length and the exact hole pattern before installation. Brand reference: John Deere. PETRAX premium aftermarket replacement; OEM names and part numbers are used for identification only. This item fits only the specified system and matching mounting dimensions.