• Made of high SPCC, Cold plate+surface electroplating, sturdy and durable
• CNC finishing, surface oxidation treatment, no burr, and no scratch
• 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 Gardna250Smart, for Gardna500Smart, for Gardena300, for Gardna400, for Gardna500 Smart+, for Gardna600, for GardnaLife1000
• Material: SPCC, Cold plate+surface electroplating
• Size: 212mmx2.5mm