1-1/2 Inch Dry Tile Hole Saws Set 2Pcs 38mm Diamond Drill Bits for Porcelain Ceramic Marble Stone Bricks with Triangle Shank by Antengdatool

About this item 2 Pieces/Pack 1-1/2″ Diamond Hole Saw, Economical choice Dry/Wet Drilling, no worry about adding water when in the processing Vacuum Brazed Tech. provide fast&smooth drilling efficient, designed for save your times Triangle shank design can be gripped tightly that won’t slip out easily,used in 10mm (3/8 in) Hand Drill, Bench Drill Multi-purpose drilling for porcelain tile marble ceramic stones etc If the material are too much hard, like hard granite hard rocks, recommend use this diamond bit with water to get longer working life