Simple operation: 2 steps to complete the installation: (1) Under the cover, unscrew the red and green knobs, you now see 2 brass peg ends. (2) Match the terminal of the corresponding color of the lead set with the copper nail, and then the cover back on. Reliable use: It is an essential part of your electric fencing system and is made of non-conductive materials (mostly plastic) of and . Alligator clips hold the ground rod well and are designed for outdoor use, this lead set last on the farm for years with good wiring, even in extreme weather conditions. Safety Protection: Use them to connect farm fence lines, both to protect livestock or within the fence, to prevent livestock/pets from running out of the area, and to prevent the invasion of squirrels, , deer, skunks, raccoons and other wild animals , for your peace of mind., Manufacturer: Littimoon