Roofing Nail with Flat Head Shijiazhuang Sunshine I/E Trade Co., Ltd. Base Info Type:Roofing Nail, Round HeadMaterial:Carbon SteelFinish:Bright, E. G. H D GLength:1"-4"Shank Diameter:2.8mm-3.1mmSupply Ablity:1000 Tons Per MonthHead Style:RoundConnection:Common BoltGrade:6.8 Description Pre:Drywall Screw Next:High Precision Micro Screw for Computer