50-piece universal cassette belt set for generic tape drives and machines. Size 40 x 130 mm. Made from durable rubber with anti-aging properties to resist wear and peeling. The belts resist stretching, deliver stable performance over long use, and require no adjustment after installation. They provide smooth transmission with low noise across a wide range for reliable tape transport. Key benefits - Long-lasting, waterproof, and resistant to peeling in varied conditions - No stretch; stable fit and dependable operation without the need for recalibration - Universal compatibility with a broad range of generic tape drives and machines What you get - 50 belts in one pack; size 40 x 130 mm; suitable for many consumer and educational units Use scenarios - Restore playback/recording in home cassette decks, boomboxes, or portable players - Service archival or retro audio equipment in studios, schools, or repair shops - Keep as spare parts for technicians or DIY projects involving generic tape drives