DOP98-007 MTD Blade fits 21" Cut Decks, rear bagger for models 312R, 313R, 315R, 488, 828 & 848. Size: Length: 20-15/16", Center Hole: 53/64", Outer Hole: 13/32", Center to center: 2-1/2", Width-thickness: 225-134. Replaces # 742-0621, 942-0621 & 98-002.
{Blades are sold individually}