labakihah drill bits ceramic wall hole drill punching multifunctional glass set 10pcs bits working tools & home improvement

Multifunctional Drill Bits Wall Ceramic Glass Punching Hole 10pcs Working Set Feature Made of fine quality material low resistance high hardness improving work efficiency. U-shaped spiral groove is smooth and flat and the drilling is smoother. Strong toughness and wear resistance can be installed in electric drills. Provides smooth and accurate drilling in tile glass brick wall wood and so on. Specifications: Material: alloy Color: red+silver Total length: 6mm cutting diameter: 100mm / 3.9in Working length: 6mm cutting diameter: 55mm / 2.2in Shank diameter: 6mm cutting diameter: 4.5mm / 0.2in Item weight: 6mm cutting diameter: 11g / 0.4ounce Package Contents: 10 x 6mm Drill Bit