... ,wardrobe railsdifferent diameter , different thickness and different lengthD=16*0.6(or 0.7,0.8,0.9,1.0,1 ... .2,1.5)*3000MMD=19*0.6(or 0.7,0.8,0.9,1.0,1 ... .2,1.5)*3000MMD=25*0.6(or 0.7,0.8,0.9,1.0,1 ... .2,1.5)*3000MMD=30*15*0.6(or 0.7,0.8,0.9,1.0,1 ...