trailer wheel aligner 1,fit for middle-bus,truck 2,rim size:13-30 3,update free whole life ... ,HINO,BEIBEN,HITACHZ,SUMITOMO,KOBELLO,TADANO,KATO(tractor,dump truck,crane,logging truck)2,With Quick Measuring function, 3 step and 3 ... Angle——±0.02°±8°5,Catalog6, truck wheel alignment real photo trailer wheel aligner/heavy duty truck garage equipment,heavy vehicle garage equipment ...