Features 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. specificationItem Type: NAB Hub Adapters_x000D_ Material: Aluminum Alloy, Plastic_x000D_ Color: Purple, White (Polished)_x000D_ Applicable Size: 10 Inches_x000D_ Application: Universal Reel to Reel Tape Recorders NAB Reel Hub Adaptors, _x000D_ for Studer ReVox, for Akai, for Teac, Etc. (without Base) PackageList2 x NAB Hub Adapters