①. Compatible: NAB reel hub adaptors can be used for Studer ReVox, Akai, Teac, etc. to meet various usage needs. ②. Material: NAB hub adapter is made of aluminum alloy and ABS material, with a strong structure that is not easy to damage. ③. Performance: NAB hub adapters are lockable, without loosening, and have high standards of rotation concentricity and no shaking. ④. Craftsmanship: The aluminum NAB hub adapter is exquisitely crafted and fits perfectly, with a polished metal handle and black ABS base, and comes in size at 10 inches. ⑤. Operation: The universal loading device for Studer ReVox is easy to install, easy to use, and requires very little effort. ⑥. Item Type: NAB Hub Adapters ⑦. Material: Aluminum Alloy, ABS ⑧. Applicable Size: 10 inches ⑨. Applicable: Reel to Reel Tape Recorders such as Studer ReVox, Akai, Teac, etc. ⑩. Package List: 2 x NAB Hub Adapters