Isotunes Air Defender Silicone Brushes a crucial part of welding

a crucial part of welding sheet metal

Variable frequency drive speed control and digital display for blade speed in feet/min‚

2 mm hole in STC base)

and power spike protection

Adjustability Rotates 360°

Isotunes Air Defender Silicone Brushes a crucial part of weldingComfortable, Convenient, Classic. This ultra comfortable and easy to use Bluetooth earmuff is a simple solution for any loud environment . Over 20% lighter than other ISOtunes earmuffs, AIR DEFENDER gives you 40 hours of listening and talk time without any pain or discomfort. AIR DEFENDER FEATURES Ultra lightweight Memory foam ear cushions and headband ANSI certified 24 dB NRR CSA Class A CSA OSHA Compliant hearing protection SafeMax Technology limits