12 مللي متر ضياء 52 مللي متر طويل الماس المغلفة بت الزجاج ثقب المنشار القاطع 10 قطعة

10 pcs silver tone metal glass hole saw, diamond coated cutting hole, great for making clean and accurate hole on glass and tile.Suitable for drilling marble, tile, glass, , granite, stone, ideal replacement for the old or damaged ones.Works better with an electric drill (here is not included).