Raw Material:Carbon Steel: Q195-F# carbon steelStainless Steel: 202# or 304# stainless steelWire Diameter:A: Φ4.0mm ~ Φ7.0mm,Normal Dia.: Φ6.0mmB: Φ4.0mm ~ Φ6.5mm,Normal Dia.: Φ5.0mmC: Φ2.5mm ~ Φ4.0mm,Normal Dia.: Φ3.5mmD: Φ3.0mm ~ Φ5.5mm,Normal Dia.: Φ4.5mmShelves Collars Type:Coniform CollarsDimension: Φ12.7mm, Φ19.1mm, Φ22mm, Φ25.4mm, Φ38.1mmQuadrate CollarsDimension: 25mm × 25mmWeight Capacity:20KG~120KG / shelf