Club Cadet OEM Replacement Blade 325-856
FITS MODELS: BT 2000 and 1440 
Requires 2 for 42'' deck; hi-lift blade 
Length 21 1/4'' (539.8mm)
Centre Hole 3/4'' (19mm) 
Outer Hole 5/16'' (7.9mm)
Centre 2 1/2'' (63.5mm)
Width 3'' (76.2mm)
Thickness .203'' (5.2mm)