parkworld 1.5 ft. 6/3 3-Wire 50 Amp 125/250-Volt Twist Lock SS2-50P Plug to 50 Amp 6-50R-Outlet Welder Adapter(SS2-50P to 6-50R) 885576 - The Home Depot
PC5020 PC5025 Cordset #6 ga 50A 120/240V 20' or 25'
50 AMP RV Power Cord Locking Shore Connector Replacement End Marine Twist Lock
ENERLITES NEMA L14-30P Locking Plug Connector for Generator, Twist Lock Male Plug, 30 Amp, 125/250 Volt ,3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66470-BK, Black - Walmart.com
3016P: Wiring Devices: Twist Lock Plug | Construction Electrical Products