1、Lockable NAB Hub Adapters: Ensure no looseness, with high standard of rotational concentricity and no wobble, providing stable and secure reel to reel tape recorder operation. 2、Excellent Workmanship: Crafted for a perfect fit, the aluminium NAB hub adapters are available in 10 inch sizes, ensuring superb performance and durability. 3、Multiple Applications: Universally compatible with Studer ReVox, for Akai, for Teac, and more, meeting diverse use needs and offering versatile loading options for different devices. 4、Sturdy Construction: Made of aluminum alloy and plastic material, the NAB hub adapters feature a strong structure that is resistant to damage, ensuring long lasting performance. 5、Easy Installation: The universal loading device offers a hassle free installation process, making it simple and convenient to use with minimal effort required for setup.