84 Sicma finish grooming mower model 2100. Fits Sicma Part Number 5812707, model M84. Length: 28 9/16" Width: 2 5/16" Thickness: 5/16" Center Hole Diameter: 1" Outer Hole Diameter: 1/2" Hole Spacing: 4 3/4". Listing and template services provided by inkFrog.