When making a high precision cut, any amount of rim vibration can mean the difference between a masterpiece and scrap. These sets of saw blade stabilizers are precision machined and balanced to give an added amount of stability. Freud Stabilizer sets not only improve the cut, but also make the saw cut quieter, and extend its cutting life between sharpenings. These Stabilizer sets can be used on blades 7" diameter, and larger. Stabilizers should only be used on stationary saws and should never be used on hand held portable saws. Stabilizers should only be used on stationary saws and should never be used on hand held portable saws.