Toro Replacement Blade - 19 5/8" x 2 1/4" x 0.129" - Replaces - 112-8841/112-8841-03 Toro Replacement Blade (330-521) is a 19 5/8" long, standard blade Replaces (OEM) Toro part numbers 112-8841 and 112-8841-03 Fits Toro 29639 and 29641 models (for 20" decks) Length: 19 5/8" x Width: 2 1/4" Thickness: 0.129"; Center hole: 3/8"