Toro OEM Replacement Blade 345-486
FITS MODELS: Walk behinds and Trimmercutter zero-turns 
Requires 3 for 44'' deck; hi-lift blade 
Length 15 1/2'' (393.7mm)
Centre Holes 5/8'' (15.9mm)
Width 2 1/2'' (63.5mm)
Thickness .203'' (5.2mm)