FeaturesConnectors feature a one piece PC housing,Genderless design makes assembly quick and easy and reduces number of parts stock.Using stainless steel springs to hold low resistance contacts in place.Applications BelowUPS battery packs, winches,forklifts;Trolling motor, solar panels, wind generators,tow trucks, snow plows;Farm equipment, jumper booster cables, welding equipment, electric vehicles, fisher plow,etc.How to Use?Just insert the cable into the terminal,then solder or crimp them.SpecificationMaterial:PCGauge:4AwgAMP Rating: AC/DC 175aVoltage Ratings(Volts):600VTerminal Diameter: 0.31inchContact/Terminal Material: silver plated copperMaterial: PC,Fire rating:94-V0Impact Resistance:HighVibration Resistance:ExcellentOperating Temperature Range:-4°F-221°F /-20°C-105°CConnect/disconnect Cycles: 10,000 timesPackage Includes2 x Connectors4 x Terminal2 x Dustproof Rubber Caps1 x HandleNoticeOnly plugs with the same color can be compatible.