Features 1.Widely Compatible: 10 Inch opener available for Studer ReVox, for Akai, for Teac and other reel to reel tape recorders to meet your various usage needs. 2.Fine Crafted: NAB hub adapters are crafted for a perfect fit with polished metal handles and red bases for 10 inch size. 3.High Stability: Universal loading device has lockability, no looseness, high standard of rotational concentricity and no wobble. 4.Premium Material: NAB hub adapters are made of aluminum alloy and plastic materials for a sturdy construction that is resistant to damage. 5.Easy to Install: The 10 Inch opener is easy to install, simple to use and requires very little effort to complete. specificationItem Type: NAB Hub Adapters Material: Aluminum Alloy, Plastic Applicable Size: 10 Inches Suitable for Studer Revox, for Akai, for Teac and Other Reel to Reel Tapes PackageList2 x NABHubAdapters