The 23" German Spline Rotary Hammer Bit is a heavy-duty drill bit designed specifically for concrete and masonry drilling. Made by the brand Heavy Duty, this high-quality bit is capable of handling tough and demanding drilling tasks with ease. Its 23" length provides added reach and leverage, making it ideal for various applications in the home, garden, workshop, or any other setting where powerful drilling is required. Build to last, this spline rotary hammer bit is a reliable and durable tool for any DIY enthusiast or professional contractor.