Features: A *100% traction: when the lawn is wet or the property falls with numerous heights and depths, the spikes give the robot mower better traction, no more digging in the lawn. With our For Husqvarna you prevent your lawn robot from moving up and lying in the lawn lawn. *PREMIUM MATERIAL - Our spikes are made of 100% stainless steel. A material-related advantage is that the spikes are rust-proof and therefore durable. The dimensions are 255 mm x 2 mm. In addition, 21 stainless steel screws are included. *Easy to install and beautiful and healthy lawn: simply centre the spikes on the wheels and attach with the included screws. The high-quality spikes ensure a beautiful lawn. No more holes in the lawn by driving your For Husqvarna lawnmower robot. *High compatibility: with a wheel size of 255 mm, compatible with For Husqvarna 420 / 320 / 430X /440, made of 2.5 mm stainless steel, elaborately deburred, box contents: 2 x spikes, 21 x stainless steel flat head screws. *Good service: If you receive our product for any questions, please contact us the first time, we will solve it immediately. Your best shopping experience is our goal. Specifications: A*Package Dimensions35.6 x 28.9 x 1.8 cm; 400 Grams *Batteries Required?No *Item Weight400 g Package Contents: A 2*traction wheel, 18*screws Features: B *100% traction: when the lawn is wet or the property falls with numerous heights and depths, the spikes give the robot mower better traction, no more digging in the lawn. With our Sileno City 250/500/Life you prevent your lawn robot from booming up and lying in the lawn.*PREMIUM MATERIAL - Our spikes are made of 100% stainless steel. A material-related advantage is that the spikes are rust-proof and therefore durable. The dimensions are 215 mm x 2 mm. In addition, 14 stainless steel screws are included.*Easy to install and beautiful and healthy lawn: simply centre the spikes on the wheels and attach with the included screws. The high-quality spikes ensure a beautiful lawn. No more holes in the lawn by driving your for boschIndego lawnmower robot.*High compatibility: with a wheel size of 215 mm, compatible with Sileno City 250/500/Life, made of 2.5 mm stainless steel, elaborately deburred, box contents: 2 x spikes, 12 x stainless steel flat head screws. *Good service: If you receive our product for any questions, please contact us the first time, we will solve it immediately. Your best shopping experience is our goal. Specifications: B *Package Dimensions29.7 x 24.8 x 2 cm; 310 Grams *Batteries Required?No *Item Weight310 g Package Contents: B 2*traction wheel, 14*screws Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.