John Deere OEM Replacement Blade 330-005
FITS MODELS: Belly mower deck #RC48-820 
Requires 3 for 48'' deck; hi-lift blade 
Length 16 11/16'' (423.9mm)
Centre Hole 11/16'' (17.5mm)
Width 2'' (57.2mm)
Thickness .250'' (6.4mm)