Applicable: Aluminum NAB hub adapters are compatible with Studer ReVox, Akai, Teac, and other reel-to-reel tape recorders, meeting various usage needs. Lockable: Universal NAB hub adapters feature a secure locking design to prevent loosening, ensuring high rotational concentricity and minimal wobble. 10 Inch: Polished aluminum hub with a 10-inch size, featuring a green polished metal handle and white base, precision-crafted for a precise fit. Durable Material: Constructed from premium aluminum alloy and plastic, these adapters offer a strong and sturdy structure resistant to damage. Easy Installation: Universal loading device allows for quick and simple installation, easy to use with minimal effort required. Item Type: NAB Hub Adapters Material: Aluminum Alloy, Plastic Color: Green and White (Polished) Size: 10 Inch Compatibility: Universal for Reel-to-Reel Tape Recorders, including models from Studer ReVox, Akai, Teac, and others. Package Includes: 2 x NAB Hub Adapters