Strut Channel/Steel Channel/Unistrut Channel Size:41*41mm and 41*21mm Thickness:1.5mm to 3.0mm Length:3m,5.8m,6m Products can meet the demand of customers.10#*6m,8m12#*6m,8m14#*6m,8m16#*6m,8m,9m18#*6m,8m,9m20#*6m,8m,9m22#*9m,12m25#*9m,12m28#*9m,12m30#*9m,12m32#*9m,12m36#*9m,12m22#*9m,12m