1,15years professional manufacture 2,TCT,Bi-mental,HSS hole saw 3,cutting wood, ... 86863-3/8"S2-27271-1/16"S2-89893-1/2"S2-29291-1/8"S2-92923-5/8"S2-30301 ... 37371-7/16"S2-1081084-1/4"S2-38381-1/2"S2-1111114-3/8"S2-40401-9/16"S2-1141144 ... -1/2"S2-41411-5/8"S2-1211214-3/4"S2-43431 ... 2102108-17/64"S2-64642-1/2" Advert:1.Inch is similar to the metric. 2.the width of saw belt: ...