[DETAIL] Material: H ard Alloy Bit Type: Tile & Glass Drill Bit Drill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mm Features: 1. It has strong toughness and wear resistance 2. Incision resistance are small, increase the opening speed, long service life 3. Industrial grade Coated Carbide Point with 4 Cutting edges 4. Can be installed in the hand drill, electric drill 5. Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole Please note 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 10 Pieces of Concrete Drill Bit Kit, suitable for Glass Plastic Wood Brick Tungsten Carbide Drill Hard Alloy Cross Drill Bits [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: DUTRIEUX - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: DUTRIEUX - Origin: Mainland China - Model Number: Masonry Drilling - DIY Supplies: Metalworking - Material: High Speed Steel - Type: Masonry Drill Bits - Use: Metal Drilling - Length: 3-12mm