Features: Precisions engineered 7 inches aluminum empty reels ensures compatibility with 1/4 inches reels to reels tape recorders, delivering enhanceds sound fidelitys during recording and playbacks. Featuring NABs hubs with 3 hole wind resistant and aluminum construction, this reels offer superior bend resistance and strength for professional tape handling. for sound, vintage sound enthusiasts, and studio professional components for restoring or maintaining tape baseds systems. for studio recording, archival transfers, or daily operations with reels to reels machines like Roar, ensuring smooth rewinding and tape management. as direct replacement for worn out reels, its aluminum structure minimizes rotational inertia while maintaining legacys of precisions in professional sound equipment. Specifications: Materials: Aluminum alloy Suitable tape: 1/4 inches reels diameter: 7 inches Scope of application: for roll-to-roll tape Number of holes: 3 holes Package Includes: 1PC Empty Tape reels note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.