This can help you to make kinds of crafts without breaking the material surface and bring you smooth finished effect. It is one of the for your DIY. This is professional vacuum brazed diamond drill for porcelain and ceramic tile. Features -Color:Multi -Material:Steel -Size:6.00X3.80X3.80cm/2.36X1.49X1.49in -Opening hole diameter: 1-1/2 Inch(38mm) -Length:60mm/2.36" -Hole Depth: 40mm/1.57" -Outstanding workmanship,wear resistance and high hardness, satisfy most of your drilling demands. -Can be widely used with most angle grinders. Suitable for beginners, DIY enthusiasts and skilled people. -Nice for dry or wet drilling, great for drilling clean holes to hard materials like tiles, porcelain ground, granite ceramic and marble brick. -Compact size and light weight, easy to use, improve the work efficiency, bring you of convenience. -Steel materials, good working performance, can drill a variety kinds of things like porcelain, ceramic tile and marble brick. Package list: 1 Core Drill Bit