Description Hex Shank Tungsten Carbide Tile Glass Cross Spear Head Drill Bit 6 8 10 12mm Specification Material TungstenCoating Titanium CoatedSize mm 6mm8mm10mm12mmLength mm 77mm81mm86mm88mmQuantity 1pc It only included a drill in the size you choose please choose the right size you want Feature Using Tungsten carbide tipped has strong toughness and wear resistance Incision resistance are small increase the opening speed long service life Can be installed in the hand drill electric drill Ideal for drilling fastner holes in bathroom tiles or wall mirrorsTitanium coated for durable and longer life Package Included 1pc x Glass Drill bits Please choose the size you want Notice 1 Please allow a bit error due to manual measurement Pls make sure you do not mind before you bid 2 The color may have different as the difference display pls understand More Details