... )Length:3/8''-7''(10mm-200mm) 3)BWG:20-4(0.9mm-6.5mm) Common building nailsProduct Specifications: Material:Q235 Carbon ... : 3/8 to 7 (10mm-200mm)Shank diameter : 20-4 (0.9mm-6.5mm)Surface Treatment: polished, galvanizedFinishing: Bright, E.G ...