Brass Grounding Rod:12inch brass ground rod with 40ft grounding wire & double plug connector. High-quality Material:Made of high-grade brass(copper alloy).It's durable and sturdy. Easy to Install:Snap one end of an Earthing Cord to your Earthing product.Push the earthing Ground Rod as far down into the ground as you can under your window or next to your door. Widely Use:You can use the ground rod connect with mats, pads, blankets, sofas, carpets and.Great for suffering from inflammation or autoimmune disease. Brass Grounding Rod with 40ft Wire,Universal Outdoor for Grounded Earthing Products ,Great to Use with Grounding Mat,Pillowcase,Pad,sheet