New Old Stock, Rotary 2010 Mower Blade 19-7/8" Lawn-Boy 610041 fits 20" decks.

Q12

Replaces:
Lawn-Boy / Toro: 610041-03, 610041, 682913, 153404

Specs:
Center Hole: .390"
Length: 19-7/8"
Width: 2-1/2"
Thickness: 9/64"

Fits:

Lawn Boy
2110 (E00000001-E99999999)(1986) Lawnmower
3400 (D00000001-D99999999)(1985) Lawnmower
3420 (E00000001-E99999999)(1986) Lawnmower
4500 (900000001-999999999)(1979) Lawnmower
4501 (000000001-099999999)(1980) Lawnmower
8600 (900000001-999999999)(1979) Lawnmower
8601 (000000001-099999999)(1980) Lawnmower