We offer long neck with flange assembly. Type : rtdthermocoupleelement : simplexduplexsheath dia : 4.7mm6.35mm8mm or as per applicationsheath length : as per requirementtermination : wheatherproofflameproof etc headsflange size : all standard flanges suit to applicationmaterial of flange : ss 304, ss 316, ss 310, inconel-600, inconel-800 or other matels suggested by customer