Blade compatible with lawn mower mowers models: LAWN BOY 10640 LAWN BOY 10640C LAWN BOY 10641 LAWN BOY 10641C LAWN BOY 10642 LAWN BOY 10642C LAWN BOY 10643C LAWN BOY 10644C LAWN BOY 10645 LAWN BOY 10646 LAWN BOY 10647 LAWN BOY 89963 TORO "21" RECYCLER" TORO 20- INCH MULCHING/REAR BAGGING TORO 20319 TORO 20323 TORO 20IN MULCHING/REAR BAGGING TORO 29639 TORO 29641 TORO 29642 TORO 50CM MULCHING/REAR BAGGING TORO 50CM MULCHING/REAR BAGGING Features : Distance between holes in mm 63.50 Round Central hole in mm 11.20 Width in mm 56.10 Length in mm 500.00 Weight in g 753 Direction of rotation right-handed Thickness in mm 3.60 Blade version Wing blade Ø outer hole in mm 9.80 Code : 2-061 Reference code : LAWN BOY 112-8841-03 TORO 112-8841-03 133-8181-03 cz