Green Nylon Pivot Bushing, I.D. 3/4", O.D. 61/64", Flange O.D. 1-1/4", Length 13/16". Fits Greet Plain Drill late models with single opener arm. 2 used per row, 8 used per row on models with parallel arms; also press wheel arm on late models. Replaces OEM #817-084C