Allenair supplies Gage Cauchois the cylinders for all his championship winning Battlebots, Vlad, Vlad The Impaler and Vladiator for use in the forklift flip mechanism, also on the self righting arm. According to Gage he picked Allenair because the cylinders are heavy duty and easily customized. Allenair has been building special cylinders for specific applications for over 55 years.