12Pc Black Dry Diamond Drill Bits Set for Granite Ceramic Tile Stone Glass Hard Materials 5/6/8/10/12mm

: Hexagon colour: black Material: Diamond Coated Alloy Package Contents: 4 x 3/16 inch (5mm) diamond drill bits diameter 2 x 1/4 inch (6mm) diamond drill bits diameter 2 x 5/16 inch (8mm) diamond drill bits diameter 2 x 3/8 inch (10mm) diamond drill bits diameter 2 x 1/2 inch (12mm) diamond drill bits diameter Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.