Feature:1. Compatible: NAB reel hub adaptors adapters are available for Studer ReVox, for Akai, for Teac and more to meet your various usage needs.2. Excellent Craftsmanship: The NAB hub adapters are superbly crafted for a perfect fit, with a purple polished metal handle and white base.3. Lockable Design: The aluminum NAB hub adapter is lockable and has no looseness and a high standard of rotational concentricity with no wobble.4. Simple Installation: for Studer ReVox's universal loading device is easy to install, simple to use and requires no special handling.5. Quality Material: This 10 Inch NAB Hub Adapters is made of aluminum and plastic material, high strength and corrosion resistant.Specification:Item Type: NAB Hub AdaptersMaterial: Aluminum Alloy, PlasticColor: Purple, White (Polished)Applicable Size: 10 InchesApplication: Universal Reel to Reel Tape Recorders NAB Reel Hub Adaptors, for Studer ReVox, for Akai, for Teac, Etc. (without Base).Package List:2 x NAB Hub Adapters