Features: Brand new and high quality Featuring a 135° standard blade, our drill bits effortlessly penetrate materials like concrete and glass. Ensures smooth drilling and long lasting performances. Made of hard alloy with carbon steel as the main body, these 8 drill bits are durable and versatile. The drill bit includes: 6x110mm square shank +8x110mm square shank +6x150mm square shank +8x150mm square shank + 10x150mm square shank+12x150mm square shank +14x150mm square shank +16x150mm square shank. This handle hammer drill bit is perfect for concrete, bricks, walls, and more. This handle hammer drill bit set is suitable for various drilling machines including corded drills, impact drills and magnetic drills. Specifications: Material:Carbide Type: 6x110mm 8x110mm 6x150mm 8x150mm 10x150mm 12x150mm 14x150mm 16x150mm Package Includes: 8x Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.