Dear Sir Madam, Application:Transformenr Material:Iron Dimensions:125mm 160mm 200mm Product name:heavy duty caster wheels for transformers load capacity:2T-8T Application:transformer OD:125mm 160mm 200mm Material:HT200 Q235B Weight:3kg-20kg Accessories:Shaft, bolt and washer Finished:hot dip galvanizing Inspection:100% inspection