Features: Material: Made of high strength material with smooth-plating surfaces. Opening neat and smoothing, no broken edges, no shaking and chip easily. Full Forging: Scientific chip removal design, the hole-saw drill body is forged-to make the drill more stable without shaking Emery quality: Drill bits use electroplated emery. High temperature quenching, high hardness, sharpness and durability, long service life Versatile Milling: Versatile diamond-milling for granites and marble, masonry, concrete, tiles/ceramics, glass, hard plastic Easy Operation: After ensuring secure drill bit installation, easily make clean and smooth-holes using the angled drilling technique followed by a vertical circular motion. Our tile hole-saw kit is simple to operate, even for beginners. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Color: Gold Size 16mm Quantity: 1 Package List: 1x Diamond-Hole Saw Drill Bit