1size: 25mm 2 11 years' professional manufacturer 3 used to make holes on marble, granite, tile, glass, ect diamond hole sawItemArt.No.Diamond ... .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 nature stone tiles.3.effcient results4.top ...