... metal. 2). Length: 10cm, 15cm, 20cm, 25cm, 30cm. 3). Wire diam.: 3mm, 4mm, 5mm,6mm. 4). Finish: chrome, zinc, powder ... , wire basket, grid hook, waterfall & etc. 4) Accessory rack, CD rack, literal rack 5) Supermarket shelf, wall shelf, hardware shelf ... , promotional shelf & cage Pegboard hooks/Pegboard display hooks/Wire pegboard hooks