The powerful Speedglas 100 auto-darkening welding helmet is suitable for TIG down to 10 amps and features a 44 x 93mm viewing area with a light shade of 3, dark shades 8-12 and a new grind mode. With three sensitivity settings and a new delay setting welders can adjust the welding lens to suit their specific application. A comfortable head harness with a smooth ratchet mechanism allows for precision tightening and a custom fit.