Features: Whether you're a seasoned pro- or just starting out, the hammer adapter is a must-have addition to your toolkit. Made of high-quality stainless steel, this adapter is built- to last and withstand even the toughest work conditions. Ideal- for DIY enthusiasts, professional contractors, and anyone who wants to improve their power tool collection. Perfect for drilling holes in concrete, brick, and other hard surfaces, as well as chiseling and breaking up tough- materials. Upgrade- Your Power Tools with the Four Square Hammer Adapter - Transform your old hammer drill into a versatile, powerful tool that can handle any job. Specifications: Material: Stainless Steel Length: Approx. 10.41cm/4.10in Package Includes: 1x Auger Drill Adapter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.