... carbon steelSize:BWG 7*5"Feature:iron wire,flat head,diamond point,smooth shankAvailable:bright,E.G,C.C,V.C,H ... :mainly for building construction,packing and furniture countersunk,checkered head,diamond point,polishedPacking:1. 25KG/CTN2. 50lbs/CTN,48CTNS/PALLET3. 1KG/PLASTIC ...