High quality material - Our robotic lawnmower pins are made of stainless steel and are polished in an additional manufacturing step to ensure a perfect appearance. All traction improvement edges are tarred. Quality screws - Stainless steel screws with Torx head (4 x 20) ensure easy installation of the mower pin. Thanks to the lowered bolt holes, the bolts fit perfectly into the studs and keep your lawnmower looking perfect. Beautiful and healthy lawn - High quality spikes ensure a beautiful lawn. With the addition of the robotic lawnmower, there will be no more holes in the lawn. Reduced errors and damage. Compatible with all Worx Landroid L models. Quality - Passionate about gardening and DIY for decades, we understand how important a good tool is. Our quality pins are manufactured to the highest quality standards. We make sure you have the right tool so you can fully focus on your dream garden. The size is measured manually; please allow 1-3 cm error. Due to different monitor pixels, there may be some color difference; please refer to the actual product. After receiving the package, if you have any dissatisfaction, please first. Do not leave negative feedback easily. Thank you and have a nice day. The purchaser must properly prepare the product for use in accordance with the manufacturer's instructions as described in the product's instructions for use. Seller is not responsible for malfunctions or damages that occur due to improper preparation of the product for use.