Thank you for your heartfelt evaluation! It is our constant pursuit to make every end mill “good, durable and hassle-free” partner. The “silent” and “high life” you mentioned are the core advantages of our products, and we are glad to bring value to your machining work ~ Service is also our lifeline, and the team will continue to maintain efficient communication to solve all kinds of problems for you! We look forward to your purchase again, and wish you a prosperous career!