Item Type: NAB Hub AdaptersMaterial: Aluminum Alloy, PlasticColor: Blue and White (Polished)Applicable Size: 10 InchSuitable: Universal for Reel to Reel Tape Recorders NAB Reel Hub Adaptors, for Studer ReVox, for Akai, for Teac, etc.Package List2 x NAB Hub Adapters1APPLICABLE: Aluminium NAB hub adapters are available for Studer ReVox, for Akai, for Teac, etc. to meet your various use needs. 2DURABLE MATERIAL: Universal 10 inch opener ismade of premium aluminum alloy and plastic, the structure is strong and sturdy, not easy to damage. 3LOCKABLE: Universal NAB hub adapters is lockable, no looseness, high standard of rotational concentricity and no wobble. 4POLISHED: Polished aluminium opener replacement with 10 inch sizes and blue and white polished, is superbly crafted for a perfect fit. 5EASY INSTALLATION: Universal loading device is easy to install, simple and convenient to use, and requires little effort to complete.