Specifications 1 7/8" For 1-1/8" Axle With 7-1/4" Or 9" Spacing Fits John Deere Disc Harrow Models 210, 215, 220, 230, 235, 621, 627, 630 Also Fits 722, 724, 726, 2310 Mulch Finishers Replaces Oem # A20621, N241315