Description:You only need to press the nail into the ground and slide the cable in to secure it, this ground nail is very easy to install and it is very strong, resistant to breakage and deformation and has a long life and weather resistance.Ideal for securing boundary cables and protecting them from crushing, this ground spike maximises the efficiency of your robotic lawnmower.It is constructed of plastic material.The length of this ground nail is 8.5cm. The ground nail fits all standard lawnmower boundary cables. Item Name: Ground NailMaterial: PlasticFeatures: High Hardness, Enhancing Stability, SturdySize Details:Length: 8.5cm/3.35" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:Style 20Pcs:20 x Ground NailorStyle 50Pcs:50 x Ground NailorStyle 100Pcs:100 x Ground Nail