Features: Double function tile drill bits set combines drilling and grinding for faster, precise holes in hard materials like tile, glass, and marble. Professional cooling wax reduces heat buildup while hexagonal shank ensures compatibility with power tool for quick bit changes. Ideal for DIY enthusiasts and professional contractors requiring efficient dry drilling solution without water assistance. Perfect for bathroom renovations, kitchen backsplash installations, and stonework projects requiring clean, dust free holes. Diamonds coated surfaces with brazing technology delivers long lifespans than conventional bits, engineered for heavy duty dry drilling performances. Specifications: Material: Diamonds, Cooling Wax Color: As pictures shown. Size: As pictures shown. Scope of application: Ceramics, tiles, glass, marble Package Includes: 3pcs 6/8/10mm Drill Bits note: Please allow 1-3cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!