... 1.Dia 89-219mm,length 190-3400mm 2.Used in mining,cement,steel,harbor Specification:cement return roller idler 1.Dia 89-219mm ... ,length 190-3400mm 2.Used in mining,cement,steel,harbor,etc3.Certificate: ISO9001,CE,SGS,BV,IKA ... nylon roller, impact roller and so oncement carrier roller idler cement nylon roller idler cement impact roller idler packaging detail:1.seaworthy wooden ...