0:30
Pneumatic die grinder on, grind metal long and varied then off
0:20
Pneumatic die grinder on, idle at fast speed then off
0:02
Pneumatic die grinder revs x3
0:05
Pneumatic die grinder on and grind metal
0:12
Pneumatic die grinder on, idle at slow speed then off
0:14
Pneumatic die grinder on, idle at medium speed then off
0:05
Pneumatic die grinder on, grind metal then off
0:25
Die grinder scrape metal surface
0:01
Pneumatic die grinder revving.