Share: Title:Felss Tube+ | The process to thicken tube walls Duration: 1:00 Plays: 3.5K views Published: 5 years ago Download MP3 Download MP4 Simillar Videos ▶️ 1:22 The Felss Group: About Us. 3.5K views • 3 years ago ▶️ 1:13 Felss Rundkneten // Rotary Swaging 3.5K views • 6 years ago ▶️ 3:04 Felss: Rotary Swaging Of Front Axles For Motorcycles 3.5K views • 12 years ago ▶️ 2:35 The Felss Group: About Us - History. 3.5K views • 5 years ago