Spool, 1-7/8", for John Deere Disc Harrow Models with 1-1/8" Axle and 7-1/4" or 9" Spacing, Fits 210, 215, 220, 230, 235, 621, 627, 630, 637, also fits 722, 724, 726, 2310 mulch finishers. Replaces OEM# A20621, N241315