Secure Connection: Utilizing premium locking sleeves and precision steel clamps ensures a tight bond between the adapter and both the hammer drill and drill bit. This effectively prevents loosening or detachment during high-impact operations, providing reliable performance and operational efficiency. Premium Texture: The main body is crafted from premium carbon steel, processed through professional heat treatment to achieve superior hardness, toughness, and fatigue resistance. It reliably withstands continuous impacts on hard surfaces like concrete and brick walls, significantly extending service life. Easy to Use: Its compact form factor minimally extends tool length, maintaining maneuverability in confined spaces like cabinet backs or wall corners. This facilitates drilling tasks while adapting to diverse structural environments. Easy to Install: Installation is straightforward—simply insert the adapter into the hammer drill interface, lock it in position, and use with standard drill bits. No specialized tools or complex modifications are required. Beginners can quickly learn operation, helping save preparation time and labor costs. Wide Compatibility: This adapter fits most round-handle hammer drills on the market. It converts and connects different specifications of bits, drill bits, chisels, and other tools. It expands the application range of older hammer drills, enhances tool functionality, and meets diverse operational needs. Detailed Specifications: Color: Black Material: Carbon Steel Size: 170 × 42 mm / 6.69 × 1.65 inches Note: 1. There may be slight differences between the image and the actual product color. 2. Slight dimensional variations may occur due to manual measurement. Package Contents: 1 × SDS Plus to SDS Max Adapter