1. Lawn Mower Ground Spikes: Boundary wire pegs are also called boundary stakes, wire stakes, boundary wire spikes, lawn spikes, wire spikes, robot lawn mower stakes, including 50 ground spikes, each ground spike is 8.5 cm short. Used to fix the ground spikes of the robot lawn mower fence to the lawn 2. Sturdy material: Our lawn spikes are made of strong and weather resistant plastic, which makes the nails stable and durable. Even if the cable is pulled hard, it will not break, the nails are firmly fixed to the ground and can withstand harsh weather conditions 3. Universal size: The lawn mower peg hooks are suitable for cables with diameters from 0.1 to 3.8 mm, which is universally applicable. Suitable for all standard manufacturers 4. Easy to install: The lawnmower spikes accessories can be simply hung on the nail hook head, and the hook shape of the head makes it difficult for the wire to slip out. The tip of the nail is easy to insert into the ground quickly and safely. It is recommended to use a rubber hammer to easily knock it into the ground