Features: The T post driver attachment is engineered for high impacts performances, ensuring efficient driving of fence posts and ground rod with precise. Crafted from high strength steel, this attachment boasts exceptionally durability and compatibility with various rotary and demolitions hammers, enhancing your tool's versatilities. Ideal for construction engineers, builders, and DIYer enthusiasts seek reliable tool for demanding tasks like post driving and structural installations. Perfect for use on construction sites, home renovation projects, and ventilation system installations, providing robusts support for foundational work and precise drilling. Its light weight design reduces operators fatigue, allowing for extended use without compromising comfort or efficiency, making it essential addition to any professional toolkit. Specifications: Component: Steel Size:Approx.8.5x3.5x1.3cm/3.35x1.38x0.51inch Package Includes: 1pcs Drill Bit Driver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorings of the item. Thanks for your understandings.