Pass & Seymour / Lagrand turnlok locking plug and outlet. New in boxes, unused.
Outlet (female):
4710-CCV3
Turnlok single outlet
15A 125VAC, 2-Pole
3-Wire
Black
NEMA L5-15R
Plug (male):
PSL515-PCCV3
Turnloc locking device
15A 125VAC, 2-Pole
3-Wire
Black
NEMA L5-15P