Versatile Finger Bits designed to Enlarge,Shape and/or Round Bevel existing holes,and also can create and shape half-moon side indentations necessary to accomodate pipes or electric wire lines. Save your money, only 1pc Core Bit and this diamond milling bit,you can create many holes of different sizes without buying any other diamond hole saws in different sizes. Dry and wet use in Porcelain,Ceramic,, Natural Stone,Stoneware,Marble,Marble Tile,Single-fired tiles,Double fired Glazed tile,etc. Machine: Any Standard Grinder,Angle Grinder;Recommended for Tile Setters, General Contractors, Plumbers and Electricians.<br><br>Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color:As Shown Material:<br><br>Package Contents: 5 * Dry Diamond Milling Drill Bits<br><br>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.