Suitable for welding washers, special washers, wriggle wire, rivets, sheet patching, carbon rod heating and shrinking; 
Suction slide hammer set (optional for 4650) for repairs of large dent areas without damaging the paint work; 

Stepless welding current adjustment for 4650;

2 functions welding tip with convenient earth connector.
Copper transformer for heavy duty load.
Wide adjustable welding current.
Easy to use welding tip.
Thermal protection.