Flexible to Meet Different Needs: suitable for pipes or copper rods from 1/2 inch to 1 inch, adapted to wires of different thicknesses Highly Conductive Brass Wire, Stable Current Transmission: comes with two 45cm brass connecting wires, strong conductivity, resistance, long-term stability of the grounding system, reduce resistance loss, and improve safety You Receive Two Sets of Grounding Clamps: each set contains 4 heavy duty grounding clamps, serrated clamp design, tight bite to prevent loosening, suitable for different contact surfaces such as battery piles and metal frames, to reliable connection Suitable for Indoor and Outdoor Use: the clamp body is made of high-quality material, anti rust and anti oxidation, can be used for a long time in outdoor humid environment, and extend the life of the equipment Essential Tools for Electrician DIY: a complete set is included out of , no additional accessories are required, and grounding work can be easily completed, suitable for electricians, car repairs, solar installation and other scenarios Color: As Shown Material: Copper Package Contents: 2 pcs * ground clamp 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.