Efficient and Fast Conversion: This 6.35mm bit holder adapter transforms your electric drill into an extremely versatile tool. It allows for quick and easy bit changes, suitable for a variety of DIY tasks and professional projects, increasing your work efficiency. High Stability and Safety: Designed to provide extremely reliable fixation, this adapter holds bits firmly in place. Its robustness ensures safe and flawless use, preventing inopportune slippage or loosening during the most demanding jobs. Wide Compatibility with Professional Tools: Perfectly suited for use with hammer drills and jackhammers, this adapter is an ideal choice for a multitude of applications in DIY and industrial construction, ensuring wide compatibility with various tools. Suitable for Various Applications: Whether you are engaged in household projects or heavy construction tasks, this hex chuck adapter is essential. It allows you to work efficiently on robust materials such as concrete, or for precise tasks such as grooving joints. Practical and Robust Pack: Receive two 6.35mm (1/4'') drill adapters with a length of 60mm, each weighing 34 grams. Made of high-quality steel, they offer exceptional durability and uncompromising reliability for all your uses.