Durable MaterialThe Crooked Tip Eccentric Drill Bit is made of alloy steel material, which is high in hardness, sharp, wear resistant and durable, and has a long service life.Eccentric DesignThe Brick Drill bit adopts an eccentric design, making it easier to position more accurately, without slipping, and drilling more efficiently.Application ScopeDrill bit is suitable for dry drilling of ceramic tiles, aluminum alloys, foam bricks, wood, concrete, ceramics and other materials. For granite, marble, glass and other materials, it is necessary to add water while drilling to protect the drill bit.CompatibilityCement Drill Bit is suitable for cordless drills, hand drills, and bench drills.Easy to UseAlloy steel drill bit, fast chip removal, with anti slip hexagonal handle Specification: Material: alloy steel Size Chart: Total length: 9cm/3.54inchShank diameter: 6.35mm/0.25inch Package Includes: 1xCrooked Tip Eccentric Drill Bit Note: Please allow slightly errors due to manual measurement and different monitors.