Feature:1. APPLICATION: Aluminum NAB hub adapter can be used for Studer ReVox B67, for Akai, for Teac and other reel to reel tape recorder openers to meet your various usage needs.2. EXQUISITE CRAFTSMANSHIP: Aluminum NAB hub adapter is superbly crafted to fit your opener recorder perfectly, with polished metal handles and a black base for the 10inch size.3. LOCKABLE DESIGN: Opener universal loading device has lockable quality, no looseness, high standard of rotational concentricity and no wobble.4. STURDY AND DURABLE: NAB hub adapter is made of aluminum with ABS base and rubber ring for a sturdy construction that is resistant to damage and wear.5. EASY TO INSTALL: For Studer ReVox, the universal loading device is easy to install and convenient to use with little effort.Specification:Item Type: NAB Hub AdapterProduct Material: Aluminum Alloy, ABSStyle: Black BaseApplicable Size: 1 or 4 10 InchesScope of Application: Used for Studer ReVox Open Tape RecorderApplicable Brands: for Revox, for Akai, for Teac, Etc..Package List:2 x 1 or 4 10 Inch Opener