step ladder, TUV/GS Approved, 20*30*0.9 mm tube, 200*300*0.9mm step. Feature:A)Easy openB)Easy climbC)sit comfortablySpecifications:1,with TUV/GS APPROVED2,20*30*0.9mm tube, 200*300*0.9mm step.3,with anti-slipping tendon on step, with plastic anti-slipping tube cap.4,size in use: 46*56*80.8cm5,height of top step to ground:48cm6,height of second step: 24cm.( This series of ladder we produce 2, 3, ...