Thickness: 2 mm Internal diameter: 15.2 cm External diameter (with & without spikes): 17.2 - 21 cm Number of teeth: 24 Number of holes: 6 For mounting on the outside of the wheels with a diameter of 20.5 cm Material: stainless steel Colour: silver Weight: 367 g Compatible with the following device models: Worx WR167E Worx WR142E Worx WR143E Worx WR165E .
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