This bumper washer is 6-1/4 inches in diameter and has an overall thickness of 1 inch. Where the bumper washer meets the head of the disc harrow axle, the washer is 1/2 in. thick. This washer fits a 1 inch axle only.
Bumper washer for disc harrow
Fits a 1 inch axle
Diameter: 6-1/4 in.
Overall thickness 1 in.
Thickness at head of axle: 1/2 in.