Description: 6/8/10mm Triangular Head Auger Drill Bit Glass Stone Concrete Drill Bit Specification: Material: Alloy Size: 6x100mm 8x120mm 10x120mm Quantity: 1pc (It only includes a drill in a package, please choose the size you need) Features: High performance multi-purpose drill this bit is suitable for various materials, without the need for frequent replacement bit; Multi purpose grinding special drilling, ensure rapid production processes; Reduce the main cutting edge in order to realize the accurate centering. The drill body is composed; chrome steel manufacturing, long service life; No need destruction of wall tiles; Instead of the electric hammer drills, the essential tools for fine decoration. Package Included: 1pc x Auger Drill Bit Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, pls understand.