Features:<br> *High-quality materials: Made of high-quality materials, fine workmanship, high hardness, high wear resistance, and can use for a long time.<br> *No need to add water: This hole opener has a built-in cooling wax that can be drilled directly, and the drill body has a built-in dense cooling wax to cool and lubricate the drill bit without adding water.<br> *Efficient drilling: The spiral-groove effectively prevents accumulated chips from being retained during high-speed operation, allowing smoothly chip removal and higher efficiency.<br> *Wide range of applicable machines: The tail of the hole opener adopts a round handle design, which is suitable for hand electric drills and benchs drills. The clamping is stable and the work is convenient.<br> *Widely applicable: suitable for openings in glass/full ceramic tiles/vitrified tiles/marble/ceramics/granites.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> <br> Process: Brazed-diamond<br> Specification: 6/8/10/12mm<br> Package List:<br> 1 x Hole Drilling Bit