jumbo Coil nail,rich in different specifications for your choice.length from 20mm to 100mm. shank:smooth,screw,ring.EG & HDG. ... nailsDiameter:2.1-3.33mm Length:16MM-200MMShank:Smooth,Screw,RingSurface:Polished,vinyl,coasted,E.G, etc.Coil nails ... :Material:Q195,Q235Shank:Smooth,Screw,Twisted,Ring.Diameter:0.083”(2.1mm),0.09”( ... 100/2---1/2”-4” jumbo coil nails/common nail/pallet nails