... nets add safety 3.Sharp,clean cut action 4.Longer service life 5.Ideal cut metal,SS Factory Advantages1.Near to ... steel3.After cutting 10 times,the diameter of the cut off wheel:94mm4.After cutting 20 times,the ... diameter of the cut off wheel:85mm5.After cutting 30 times,the ... diameter of the cut off wheel:70mm6.Test Report test result is ...