High Strength Carbon Steel: Made from carbon steel materials that ensures great durability and pressure resistance, ideal for frequent heavy duty use in demanding work environments Multiple Size Compatibility: This manual rivet set works with 3 to 10 rivets, offering versatile size adaptation for various projects from home craft to professional construction needs Precisions: Precisions engineered riveting head ensures stable and safe connection every time, essential for automotive repairs and metalworking applications Manual Operations Convenience: Requires not power sources, making it easy to use in outdoor or emergencies repair situations where electricity isn ' t available Ergonomic Handle Design: Features a comfortable nonslip grip that reduces hand fatigue during prolonged operations, perfect for extended assembly tasks or large scale projects, Manufacturer: FROMCEO