MADE IN THE USA!! Not cheap imports!!! Predator blades provide the flat blade design preferred by most commercial mowers with an extended cutting length for increased cutting efficiency with more resistance to bending. Tighter tolerances in the aftermarket vs. OEM. By the way they are made in the USA! Hands down the ABSOLUTE best aftermarket replacement blade on the market! This sale is for 3 replacement Predator mulching blades blades. Replaces the following OEM part numbers: KUBOTA K5647-34340 K5647-34330 K5651-34342 K5668-34350 3 BLADES FOR 60" CUT Center Hole: 1-1/8" (Make sure you don't have 7/8") Width: 2-1/2" Length: 20-1/2"" Thickness: .250" (1/4") Kubota FRONT MOWER DECK: RCK60-F36 Kubota MID-MOWER DECK: RCK60P-21Z Kubota MID-MOWER DECK: RCK60P-28Z Kubota MID-MOWER DECK: RCK60P-331Z Â· 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.