1size: 25mm 2 11 years' professional manufacturer 3 used to make holes on marble, granite, tile, glass, ect diamond hole sawItemArt.No.Diamond Hole SawBF-ZT0010Sizeø25mmDiamond Grit46#Packingdouble blisterCTN Size/Quantity46*38*20.5CM,48PCS/CTNG.W.4.5KGSN.W.3.5KGSused to make holes on marble, granite, tile, glass, ect1.diamond hole saw2.Drilling holes in porcelain,marble,granite,tile, other ...