Lot of 4 Realistic Professional Quality Mylar Recording Tapes, Cat. No. 44-766A. These 7-inch reels feature 3600 feet of 0.5 mil splice-free triple recording length tape, suitable for high-fidelity audio capture. Manufactured for Radio Shack by Tandy Corporation, these vintage open-reel tapes are factory sealed in their original plastic wrap. The packaging includes a detailed recording length chart for various speeds (7 1/2, 3 3/4, and 1 7/8 ips) and a back-panel index for tracking subjects and dates. Ideal for vintage audio enthusiasts and analog recording projects.