Item Type: NAB Hub Adapters Material: Aluminum Alloy, Plastic Color: Silver, White (Polished) Applicable Size: 10 Inches Application: 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 1Scope of Application: Aluminum NAB hub adapters are available for Studer ReVox, for Akai, for Teac, etc. to meet your various usage needs. 2Superb Craftsmanship: The aluminum NAB hub adapter is superbly crafted to perfectly fit the silver polished metal handle and white base. 3Lockable Design: The 10in NAB hub adapter features lockability, no looseness, high standard of rotational concentricity and no wobble. 4Easy to Use: for Studer ReVox's universal loading mechanism is easy to install and simple to use, and can be installed in just a few steps. 5Quality Material: NAB hub adapter is made of aluminum alloy and plastic material, the structure is strong and not easy to damage.