Diamond Hole Saw Core Drill for Coring Granite Mansonry Concrete Danyang Jiulong Tools Co., Ltd. Base Info Model NO.:JL0012Blade Type:SegmentedManufacturing Process:Cold PressedApplication:ConcreteTrademark:OEMTransport Package:Skin Card, Blister Card, Color BoxSpecification:25-355mmOrigin:China Description Pre:Tct 40t Wood Cutting Tool Saw Blade Next:Diamond Core Drill Bit for Brick Wall Asphalt Reinforced Concrete