Quick Details: Product name: galvanized assembled roofing nails with washer Brand name: xstg Type: roofing nail Material: steel, carbon steel Q195, Q235 Shank: ring/twisted Head Diameter: 7.7-11.6mm Shank Diameter: 3.5mm-5.3mm Length: 1''-6'' Size: 60x7.7mm-150x11.6mm Finish: bright, galvanized Usage: crate, pallet, floor board