... Coil nail,rich in different specifications for your choice.length from 20mm to 100mm. shank:smooth,screw,ring.EG & HDG. jumbo Coil nails ... , etc.Coil nails:Material:Q195,Q235Shank:Smooth,Screw,Twisted,Ring.Diameter:0.083”(2.1mm),0.09”(2.3mm),0.099 ... ,coated,E.G.Packing:as per customers’ requirement.Diameter (MM/INCH)Length(MM/INCH)2.1/0.08332-55/—1-1/4”-2 ...