- Compatibility: Designed to work seamlessly with models 2704-20, 2704-22, 2804-20, and 2804-22. Fits carbide chucks with a 9/16x18" TPI. Ideal for use with 18V fuel hammer drills. - Part Numbers: Replaceable parts include 42-66-1006, 42-66-2707, 42-66-2706, 42661006, 42662707, and 42662706 for easy identification and ordering. - Size Specifications: Features a chuck diameter of 1-11/16" at the base and a length of 2-1/8" when jaws are retracted, ensuring a compact design that fits comfortably in hand. - Durable Material: Constructed from high-quality metal, ensuring longevity and reliable performance under demanding conditions. - Practical Applications: - Perfect for construction professionals requiring robust drilling capabilities for various materials. - Ideal for DIY enthusiasts needing a reliable chuck for home improvement projects. - Suitable for maintenance tasks in industrial settings where precision and durability are essential. This chuck delivers ease of use and compatibility, making it an essential accessory for enhancing the performance of your hammer drill.