Welding Cable Connector, Connector Type Tweco, Connector Gender Female/Male, Compatible Cable Gauge (Minimum) 4 AWG, Cable Connection Type Single Ball-Point, Compatible Cable Gauge (Maximum) 1 AWG, Compatible with Product Type Arc Welder, Connector Length 9.6 in, Connector Material Brass, Maximum Current 300 A, Insulated Yes, Maximum Temperature 40 Degrees C WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -