• Made of SPCC, Cold plate+surface electroplating material, sturdy and durable
• Easy to install, just center the stainless steel spike on the wheel and secure it with the included screws
• When the lawn is wet or the ground has many inclines and slopes, the nails give the robotic lawnmower better traction, eliminating the need to dig in the lawn

Specification:

• Compatible with: for Gardena Automower330, for Automower440, for Automower420, for Automower435XAWD, for Automower430X, for Automower435X, for Automower450X, for Automower450X
• Material: SPCC, Cold plate+surface electroplating
• Size: 252mmx2.5mm