... :screw,ring,smooth 3)Finish:Polished/Vinyl Coated/Z.P/H.D.G Artical:Vinyl Coated Coil NailsDiameter:2.0mm-3.3mmMaterial ... ,conicalSurface:Polished,Vinyl Coating,Zinc Plated,Hot-dipped galvanizedPoint:Diamond point,blunt diamond point,chisel point.Packing:300pcs/roll,30rolls/carton or ... various coil nails,concrete nail,roofing nail,screw nail. Vinyl Coated ring shank Coil Nail