TLPA-01 For Parkside PMRA 20 -Li B2/PMORDA 20 -Li B2 Robotic Lawnmower 2Pcs Anti Slip Spikes + 14Pcs Self-Tapping Screws ???Premium Material??Made of durable SPCC,Cold plate+surface electroplating for long-lasting performance and resistance to corrosion ???High Quality Craftsmanship??CNC finishing,surface oxidation treatment,no burr,and no scratch ???Improved Traction??Anti-slip spikes enhance the lawnmower's grip on various terrains,ensuring efficient and stable operation ???Easy Installation??Comes with 14 torx head self-tapping screws for straightforward and secure attachment to your robotic lawnmower ???Beautiful Lawn??High-quality spikes ensure a beautiful lawn. No more holes in your lawn with your lawn mower robot ?Specifications: ?Material: SPCC,Cold plate+surface electroplating ?Product Dimensions: 212 x 2.5 mm Compatible with: ?Parkside PMRA 20 -Li B2 Package included: ?2 x Spikes ?14 x Torx Head Self-Tapping Screws ?1 x English Manual