To customers: life is full of surprises. Package Includes: Style 20Pcs: 20 x Ground Nail or Style 50Pcs: 50 x Ground Nail or Style 100Pcs: 100 x Ground Nail Item Name: Ground Nail Material: Plastic Features: High Hardness, Enhancing Stability, Sturdy Size Details: Length: 8.5cm Specifications: Ideal for a long life and weather resistance, these ground spikes are very strong and resistant to breakage and deformation, and are very easy to install - you simply press the spike into the ground and slide the cable in to secure it. It is a ground spike that holds the boundary cables well and protects them from being crushed, maximising 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. 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. Wefor excellence. And hope you have a nice day!