CONCRETE NAILS Product Introduction Material: Carbon Steel # 45, 55 steel Length: 1''--6'' Shank diameter : 1.2-5 .0 MM Surface Treatment: polished, galvanized , annealing , coated Finishing: Bright, E.G, H.D.G Features: level cap, head, rod / groove. Usage: Industrial construction,foundry,furniture repair,packing boxes and so on. Package:1kg/2kg/2.5kg/box,25kg bulk /carton or as customers' require Pictures Show