Features:This Isolation switch provides a safety cut off point for winches and jump leads etc.Comes with 2 keys.Suitable for both 12v and 24v.1/4"" x 3/4"" studs. Two 3/16"" mounting holes.2 pc removable keys included.Description:Capacity: 300 AMPS. 5/16"" Brass terminal.Solid brass nut and washer.Theft deterrent and fire protection.Extend the life of your vehicle's batteryPerfect for homme and automotive businessSpecifications:Color: Black & redMaterial Type: plasticFor Vehicle Brands/Model: UniversalItem Type: SwitchesNormal Operating Max Amps:400 Amp Normal - 12 VDC200 Amp Normal - 24 VDCSurge Operating Max Amps:1000 Amp Surge - 12 VDC500 Amp Surge - 24 VDCPackage includes:1 x Battery Isolator Cut Off Power Kill Switch1 x Removable Keys