N'a fɛ̈ɛ̈r ba wɛ̈t wɛ̈t wɛ̈t wɛ̈t wɛ̈t wɛ̈t wɛ̈t wɛ̈t wɛ̈t No roller lifting chain uses a high wear resistant carburizing pin shaft or a whole hardene