Drywall Screw Tianjin Chaotuo Imp. &Exp. Co., Ltd. Base Info Model NO.：1Material：High Strength SteelType：Round HeadHead Style：RoundConnection：Steel, Wood Description Pre：Spiral Shank Roofing Nail Umbrella Roofing Nails Galvanized Roofing Nails with Washer Next：Blind Rivet
