... Nails, With Flat Head, Fluted Shank, Diamond Point, Large Size to Small Size, High Carbon Steel, 20 Years Factory, China Factory, ... China, (near Yiwu)Nails can also be customized according to customer's sampleConcrete Nail Test Concrete Nail Packaging1. Normal packing ... nails, with flat head, fluted shank, diamond point, large size to small size, high carbon steel, 20 years factory, china factory, ...