Polarized Socket Box, Connection Type Plug-In, Cable Length 5 ft, Box Depth 3 1/2 in, Box Width 3 1/4 in, Box Length 3 1/2 in, Gauge 20 ga, Maximum Current 500A, Maximum Voltage 100V, Housing Material Stainless Steel, Maximum Temperature 120 Degrees F, Features Polarized Power Socket, Connection Material Tin Plated Copper, Insulation Material Lexan, Includes 4 ft 4 AWG Leads with Copper Ring Terminals, Compatible Product Type Plug-In Booster Cables, Compatible Grainger Model Number 3MJZ2