1) Material: made of high-quality low-carbon-steel 2) Finish: electric galvanized, hot dipped galvanized, bright, flat head diamond point, smooth shank 3) Specifications: 2'' - 5'', BWG12 - BWG5 4) Special heavy top head facilitates: easy drawing in dismantling of scaffolding, frame work and other temporary construction Packing: bulk, box, bag, or according to customers' requests