ISO9001-2008 cert. multiple stage honed tube and chrome plated rod designed upside and downside guide sleeve each tested used for middle place lay in dump truckmain items as below,and if you need any more info,pls connect with me.***total length and diameter:807mm*252mm***single strock:510mm***trunnion diameter:50mm***length between trunnion:inside:152mm,outside:252mm***pin hole:30mm***length ...