I get them from Ebay: https://www.ebay.com/itm/125735863196 https://www.ebay.com/itm/125735863196 They supposedly come with a 2 year warranty but like the GP I

I get them from Ebay: https://www.ebay.com/itm/125735863196 https://www.ebay.com/itm/125735863196 They supposedly come with a 2 year warranty but like the GP I haven't had any break (out of six) so I haven't tried using it.