Aluminum Alloy Construction Made from quality aluminum alloy for durability, strength, and lightweight performance. Resistant to wear and corrosion to ensure long service life. Imported Precision Design Professionally manufactured for reliable performance in demanding work environments. Functional QuickChange Bit Holder Pullout bushing design allows for rapid bit changes without the need to carry large bit storage boxes. Securely holds bits in place to prevent accidental dropping, especially during altitude or overhead tasks. Easy to remove and reconnect bits quickly, improving efficiency on the job. Universal Compatibility Fits standard 1/4 inch quick hex shanks and 1/4 inch hex sockets. Compatible with a wide range of electric drivers and handheld drivers. Works seamlessly with commonly used bits such as T25 and T20. Designed to accommodate most standard 1/4 inch bits for convenient access. Load Capacity Equipped with a powerful ball lock buckle that supports up to 500g (approximately 1.1 lbs) of bit weight. Ensures bits remain secure during use and transport. Keychain Bit Holder Set Includes 6 extension bars, each with a keychain buckle for easy attachment to tool belts, bags, or chains. Compact and portable, making it effortless to carry and store. Keeps bits organized and accessible in any work setting. Durability and Reliability Strong aluminum alloy construction maintains performance over time. Lightweight design reduces fatigue during extended use. Built to withstand rough handling in professional and DIY applications. Practical Use Scenarios 1. Ideal for construction workers and technicians needing quick access to multiple bit types while working at height. 2. for home projects where efficient tool changes save time and effort. 3. Suitable for automotive maintenance, enabling fast transitions between bit sizes without searching through toolboxes. This versatile bit holder set offers professionalgrade durability, universal compatibility, and secure bit storage, making it an essential tool accessory for anyone using 1/4 inch hex bits regularly.