Why ProPartsPlace? Fastest Shipping! Reasonable Prices! Great Feedback! Excellent customer service! This sale is for one BRAND NEW SET (2 BELTS) OF REPLACEMENT FINISHING/GROOMING MOWER BELTS. This is AFTERMARKET BELTS but please keep in mind most mower manufacturers do not make belts either but buy them like we do. The belt set will go on decks with 72" cuts REPLACES BUSH HOG 83121 Fits the following models TH72-01 TH72-02 TH72-03 5/8" X 80" Polyester Corded Both belts are the same size! Disclaimer: We list model numbers and part numbers for references only. At times the same model may take different parts based on serial number breaks or manufacturers specifications. We list all the specifications on the part (size, width, length, thickness, etc.) and YOU must know what is needed on YOUR application. We canÂt possibly make it more known as to what you are receiving when you purchase.