Insulator Duty Rating Medium Duty Maximum Current 300 A Welding Processes Stick Welding (SMAW) For Electrode Holder Model A-732 Features Ball Point Cable Connections Efficient 6-Position Jaw Patterns Fully Insulated Protected Springs Heavy Duty Copper Alloy Mechanically Hold a Welding Electrode in Position Reversible Top Bottom Insulators are Easy to Replace For Use With A-732 Includes (2) Screw Bottom Insulator Top Insulator