Battery Clamp Jaw Type Parrot Connection Type Clamp Maximum Current 800 A Maximum Voltage 12V 24V Maximum Jaw Opening 4 1/4 in Contact Material Copper Insulation Material Vinyl Gauge 1 to 4 AWG Number of Clamps 1 Color Red Includes Lead Jaw Screw Features Heavy Duty Overall Depth 4 1/4 in Overall Length 6 1/8 in Overall Width 1 in