Got an old Sony Walkman that's eating tapes, playing slow, or just won't spin? Chances are the rubber drive belt has turned to goo or snapped. This is a brand new, unbranded replacement belt that's compatible with a bunch of classic Sony cassette Walkman models: the WM-10, WM-10II, WM-20, WM-30, and their radio versions WM-F10, WM-F10II, WM-F20, and WM-F30. It comes in original packaging (likely a small bag). These belts are crucial for transferring power from the motor to the capstan and take-up reel. Replacing it is often the first and easiest fix for reviving these iconic portable players. Perfect for retro tech enthusiasts, collectors, or anyone wanting to bring a piece of music history back to life. Installation requires opening the Walkman and careful handling, but there are guides online. Breathe new life into your vintage Sony with this simple, affordable part!