L16-30
NEMA L16-30 Grounding Locking Connector, 30A 480V AC, 3 Pole 4 Wire, cUL Listed
The MOS2 3-4 ยต Fisher (15-30 Microtrac) model has a particle size that reduces surface wear.
NEMA L16-30 Grounding Locking Connector, 30A 480V AC, 3 Pole 4 Wire, cUL Listed
What I like about the silver version is it doesn't show oil stains easily.