2pcs DKJ35-50 Welding Cable Male Connector Plug Welder Quick Fitting Male Cable Connector Plug Welding Machine 315A - AliExpress
Prostar Cable Connector - Twist Lock
WeldingCity 2-pk Tweco-Lenco Style Twist-Lock Insulated Male Connector for Welding Cable #4-2/0 (25-50mm) in Miller Lincoln ESAB Welders (Pack of 2 Male Connectors) - Amazon.com