- Fills mechanical surface defects to restore a smooth sealing surface for reliable mounting. - High temperature resistance and moisture resistance ensure durable performance and help preserve sound quality. - Increases contact surface and protects the car radio from wear and misalignment. - Exquisite workmanship and precise measurements provide a reliable, consistent fit. Key attributes - Function: seals and fills defects, protects the car radio, improves sound clarity. - Compatibility: designed for car radio installations and mounting surfaces. - Size: precise measurements for a reliable fit. - Material: not specified. - Performance: withstands high temperature and moisture exposure while maintaining clear sound quality. Use scenarios - During car radio installation or replacement, to seal mounting surfaces and fill small defects for a secure, gap-free fit. - In vehicles exposed to heat or humidity, to maintain seal integrity and preserve sound quality over time. - For refurbishment or maintenance of older installations, to enhance contact surface, reduce vibration, and protect the radio unit.