The Milwaukee Tunnel Bit SDS-Max 55x310mm - 4932399367 is designed for exceptional performance and durability in demanding drilling applications. This robust tunnel bit features a large diameter of 55mm and a length of 310mm, making it ideal for creating large, precise holes in tough materials such as concrete and masonry. Constructed from high-quality materials, it ensures efficient and reliable performance, perfect for professional tradespeople tackling heavy-duty drilling tasks. Features and Specifications: Brand: Milwaukee Model Number: 4932399367 Bit Size: 55mm diameter, 310mm length Type: SDS-Max tunnel bit Design: Engineered for creating large, precise holes Durability: High-quality construction for long-lasting use Applications: Suitable for drilling concrete, masonry, and other tough materials Precision: Designed for clean and accurate drilling Versatility: Ideal for heavy-duty professional applications