Features: Efficient and Convenient Chuck Design: This product features a built in SDS Plus chuck with a black rubber head design that is not only aesthetically pleasing but also facilitates easy insertion and replacement of drill bits. The chuck provides stable clamping with high precision, ensuring the stability and accuracy of the drill bit during installation, greatly improving operational efficiency. Stable Installation and High Matching Degree: The round shank and chuck achieve good matching, ensuring the stability and reliability of the installation. Whether in high-intensity operations or during extended use, it maintains consistent performance and provides continuous support to users. SDS Max Shank, Enhanced Stability: The product adopts a SDS Max shank design that uses multi-face extrusion to make the contact surface more stable, effectively preventing loosening or detachment during use. This design not only improves operational safety but also extends the product's lifespan. Hard texture, durable and reliable: The main body of this product is made of high-quality chromium steel material, the overall texture is hard, can withstand high strength operating pressure, not easy to wear or damage. Through strict quality control and testing, it ensures excellent performance and stability in a variety of harsh environments. Versatile and Powerful Functionality: With the built in SDS Plus chuck and SDS Max shank design, this product achieves compatibility and interchangeability with various drill bits, allowing users to tackle various operational needs without needing multiple rotary hammer drills of different specifications. This feature greatly enhances the product's flexibility and practicality, bringing users more convenience and benefits. Specifications: Color: Black Material: Chromium steel+Rubber Shank Type: SDS Max to SDS Plus Total Length: 220mm Applicable Model: Electric hammer Package Included: 1 x Adapter