Product: Universal Mix Cassette Tape Belts — Generic Tape Drive Machine Belts, 50 pcs, sizes 40–130 mm Key benefits Reliable replacement belts for tape drives and cassette players — keeps equipment running smoothly without frequent readjustment. Built to resist aging and water exposure, reducing risk of cracking, breaking, or peeling over time. Stable, consistent performance with minimal stretching during long-term operation, so belts maintain correct tension and alignment. Quiet, efficient power transfer: smooth transmission, low operational noise, and a broad range of usable diameters. What it does Replaces worn or broken belts in cassette decks, tape drives, and similar belt-driven machines. Restores proper transport and capstan function for reliable playback or recording. Provides a ready supply of multiple sizes to match a wide variety of equipment. Compatibility and sizing Universal mix set covers a range of common belt diameters: 40 mm up to 130 mm. Pack of 50 pieces gives options for multiple devices or repeated repairs. Designed for generic tape drives and cassette machines; suitable when original OEM belts are unavailable. Performance and reliability Anti-aging construction preserves elasticity and strength over repeated use. Waterproof properties minimize moisture-related degradation in humid environments. Low stretch and no-peel behavior mean less downtime for readjustment or retensioning. Smooth, low-noise transmission reduces audible artifacts during operation. Typical use scenarios Repair shops and technicians: keep a diverse stock of sizes to service different cassette decks and tape drives quickly. Vintage audio restoration: replace old, brittle belts to restore playback quality and protect fragile mechanisms. Schools, archives, or businesses with multiple machines: perform bulk maintenance with a single 50-piece kit. Practical notes Choose the belt diameter closest to the original part for best fit and performance. The set is intended as a direct belt replacement; installation usually requires basic disassembly and reassembly of the tape mechanism. Quantity and size range make the set a practical option for both single repairs and ongoing maintenance supplies. Includes 50 generic cassette/tape drive belts covering 40–130 mm diameters. This product supplies dependable, ready-to-install belts that reduce maintenance time and restore reliable, quiet operation to belt-driven cassette and tape equipment.