ITEM NAME:5Pcs Ceramic Tile Glass Drill Bits 1/4" Hex Shank Set for Chucks Bit Holder description: 100% new high quality Color as shown Material: 45#Steel Alloy Head Finish Treatment: Titanium sizeplease check the photo Uses: Applicable scope: Suitable for boring holes in the glass,ceramic and ceramic tiles. Packing: 6 x Glass Drill Bits or 7 x Glass Drill Bits or 5 x Glass Drill Bits.Uses: Applicable scope: Suitable for boring holes in the glass,ceramic and ceramic tiles. Color as shown.