DescriptionMade of metal material, very durable. 15 different diameters, perfectly meet you need. Suitable for use in drill hole on glass, marble, tile or granite. Opening neat, smooth, no broken edges, will not produce tremor. Can be used with a standard electric drill.Features- Color: Silver - Material: Steel - Size: 5 x 6 x 6cm. - and high quality. - Made of metal material, very durable. - 15 different diameters, perfectly meet you need. - Suitable for use in drill hole on glass, marble, tile or granite. - Opening neat, smooth, no broken edges, will not produce tremor. - Needing water for lubrication to extend drill bit life considerably. - Can be used with a standard electric drill.
