What sized rear grader blade?

/ What sized rear grader blade? #21  
My experience with the front blade is all in how you use it. I let the blade ride on the skid shoes and I put a rubber blade under the steel blade so the steel blade never contacts the ground.
 

Marketplace Items

Unverferth 330 (A64126)
Unverferth 330...
2014 CATERPILLAR 938K WHEEL LOADER (A65053)
2014 CATERPILLAR...
New/Unused 3 Point Receiver Hitch (A65583)
New/Unused 3 Point...
Wolverine Quick Attach Tiller (A66285)
Wolverine Quick...
2014 GMC SIERRA 1500 (A62613)
2014 GMC SIERRA...
New/Unused Wolverine 72in Tiller (A65583)
New/Unused...
 
Top