Ordering Description Product number Description: WeldSkill WM 400 Amp, Rear Connector - Tweco, up to .045" (1.2 mm), 12 ft (3.6 m) Product number: 1047-1001 Description: WeldSkill WM 400 Amp, Rear Connector - Tweco, up to .045" (1.2 mm), 15 ft (4.6 m) Product number: 1047-1002 Description: WeldSkill WM 400 Amp, Rear Connector - Tweco, up to .045" (1.2 mm), 15 ft (4.6 m) Product number: 1047-1007 Description: WeldSkill WM 400 Amp, Rear Connector - Tweco, up to .045" (1.2 mm), 15 ft (4.6 m), K4 Product number: 1040-1170 Description: WeldSkill WM 400 Amp, Rear Connector - Tweco, up to .045" (1.2 mm), 25 ft (7.6 m) Product number: 1047-1016 Description: WeldSkill WM 400 Amp, Rear Connector - Miller, up to .045" (1.2 mm), 15 ft (4.6 m) Product number: 1047-1027 Description: WeldSkill WM 400 Amp, Rear Connector - Miller, up to 1/16" (1.6 mm), 12 ft (3.6 m) Product number: 1047-1031 Description: WeldSkill WM 400 Amp, Rear Connector - Miller, up to 1/16" (1.6 mm), 15 ft (4.6 m) Product number: 1047-1032 Description: WeldSkill WM 400 Amp, Rear Connector - Miller, up to 1/16" (1.6 mm), 15 ft (4.6 m), K4 Product number: 1040-1171 Description: WeldSkill WM 400 Amp, Rear Connector - Miller, up to 1/16" (1.6 mm), 25 ft (7.6 m) Product number: 1047-1019