3 stages for total strock:990 diameter:110-90mm-71mm designed upside and downside guide sleeve rod and tube chrome plated used for dump truck,middle lay,middle duty.***total out length & diameter :586mmx202mm***material: barrel--27SiMn rod: #45***mounting:trunnion and pin hole ;ength:125mm***port diameter:m20*1.5***trunnion : inside length--152mm outside--202mm1.merchandise in stock,can be loaded ...