100% Traction: When the lawn is wet or the terrain has many ups and downs, the spikes give the robotic mower better traction, eliminating the need to dig into the lawn. With our Bosch Indego XS 300 400 350 M700 2021, you prevent your robot from getting stuck and remaining in the lawn. Premium Material: Our spikes are made of 100% stainless steel. One advantage of this material is that the spikes are rustproof and therefore durable. Dimensions: 171 mm x 2 mm. Twelve stainless steel screws are also included. Easy to Install and a Beautiful, Healthy Lawn: Simply center the spikes on the wheels and secure them with the included screws. The high-quality spikes ensure a beautiful lawn. No more holes in the lawn when driving your Bosch Indego robotic lawnmower. High compatibility: with a wheel size of 171 mm, compatible with Indego XS 300 400 350 M700 2021, made of 2.0 mm stainless steel, deburred, contents: 2 spikes, 14 stainless steel flat head screws.