500Amp jumper cable

New high quality.. * The clip is directly connected to the car car battery and uses high power electrical appliances, thus protecting the car *Red is positive and black is negative. *Powers 12 and 24 devices. *External 50Amp fuse protection to ensure safety in case of short circuit * Prevent high surge current from damaging the device. Specification: *Ring terminal hole size: 0. 25 inches / 6.3 mm. *Material: Plastic and Copper *Size: about 40*32*mm Completehine list: 2*Battery clip wire Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne. 2. Please allow slight manual measurement deviation for the data.