14-1/2" dia., .177" thick, 3/4" wide, 4" center pilot hole. 4 hole pattern with 5-1/4" bolt circle. For Fendt, Massey Ferguson, White planters; Ausherman, Great Plains, Yetter, Shoup no-till coulter attachments; Marliss, M & W drills.
17-1/2" dia., .177" thick, 1" wide, 4" center pilot hole. 4 hole pattern with 5-1/4" bolt circle. For Case-IH 5400, Great Plains drills; John Deere 1570 coulter cart; Ausherman, Great Plains, Yetter no-till coulters attachments.