Model:S00319 Product Dimensions:23 x 23 x 3 cm; 440 Grams Item Weight:440 g High compatibility:Compatible Gardena 250 SmartCompatible Gardena 300Compatible Gardena 400Compatible Gardena 500 SmartCompatible Gardena 500 Smart+Compatible Gardena 600Compatible Gardena Life 1 000 About this item High Quality MaterialsMade of 2.5mm high quality stainless steel. All the edges of the spikes have been deburred and the surface polished. High Compatibility The diameter is 215 mm, suitable for robot lawn mowers GARDENA models 250 Smart/300/400/500 Smart/500 Smart+/600/Life 1000. Easy to InstallSimply center the spikes on the wheels and secure with the included screws. The screw holes are countersunk. High QualityAll the edges of the spikes have been deburred and the surface polished. Package includes 12 stainless steel screws. Excellent After Sales ServiceWhen you receive our product for any questions, please contact us at the first time, we will solve it immediately. See more product details High Quality MaterialsMade of 2.5mm high quality stainless steel. All the edges of the spikes have been deburred and the surface polished. High Compatibility The diameter is 215 mm, suitable for robot lawn mowers GARDENA models 250 Smart/300/400/500 Smart/500 Smart+/600/Life 1000. Easy to InstallSimply center the spikes on the wheels and secure with the included screws. The screw holes are countersunk. High QualityAll the edges of the spikes have been deburred and the surface polished. Package includes 12 stainless steel screws. Excellent After Sales ServiceWhen you receive our product for any questions, please contact us at the first time, we will solve it immediately.