use: It is an part of your electric fencing system and is made of non- materials (mostly plastic) of good quality and . Alligator clips hold the ground rod well and are designed for outdoor use, this lead set will last on the farm for years with good wiring, even in extreme weather conditions. Simple operation: 2 steps to complete the installation: (1) Under the cover, unscrew the red and green knobs, you will now see 2 brass peg ends. (2) Match the terminal of the corresponding color of the lead set with the copper nail, and then screw the cover back on. Safety Protection: Use 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. Size: 3 Ft/91cm color:Red+black Material:ABS Package Contents: 2 x Electric Fence Wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.