10-Pack of NIB Heavy-Duty industrial grade L6-30 locking generator plugs.  UL Listed, CSA Approved.  Rated for 30 Amps, 250V.  Commonly referred to as a "Twist Lock" plug or "Locking Plug".  NEMA L6-30 plug mates w/ L6-30R connector or L6-30R receptacle.  In Stock, ships within 24 hours from Raleigh, NC.