Thickness: 2.5 mm Internal diameter: 16 cm External diameter (with & without spikes): 19.2 - 21.5 cm Number of teeth: 24 Number of holes: 6 Material: stainless steel Colour: silver Weight: 287 g Compatible with the following device models: Gardena SILENO city 300 Gardena SILENO city 250 Smart Gardena SILENO city 400 Gardena SILENO city 500 Gardena SILENO city 250 .
