Among the products we sell, product photos contain company watermarks. This product is not produced by STUDEVOX, and we only have one account. This is an adapter independently developed by STUDEVOX, which combines the advantages of various NAB adapters and new design concepts for a comprehensive upgrade version, improving the applicability and stability of the adapter. This is a new concept design patented goods. The bottom adopts a metal shrink fixator: with 6 notches inserted for alignment, no need for aiming. Just put it down and automatically align it. Using the central knob as a lock: Changing the previous reliance on original springs to help lock the trident. Improve smoothness during operation, without oscillation, with concentricity standards and strong fixation force. When the cup body is rotated clockwise, the outer spring will automatically expand to lock the tape reel. Can be installed with a thickness of 1/4 “1/2″ 1 “and a diameter of 10″ 12 “14”. 2 x Metal NAB Adapter Reel to Reel Tape Recorders UNIVERSAL TYPE. Sales content: 2 high-quality metal aluminum upgraded adapters. Packaging: Each pair of NAB adapters comes with a beautiful independent zipper packaging for protection. Suitable for 99.99% global brand models. Every product undergoes strict quality control. Global International Transport Standards. We have more and higher quality products, and we can customize auxiliary accessories related to volume recorders according to your needs. We are always committed to achieving the best quality and service. Over 15 years of independent research experience with roll to roll tape recorders. Hope to be recognized by everyone.