... 5 "-3"* Material: Carbon Steel Category: nail - roofing nails Roofing nailsused to connect the wooden components, as well as ... 4 .2 mm* Length: 40-80mm* Surface treatment: galvanized, polishedName: Stick roofing nails, umbrella hats, hemp stalk. Zinc coatedSpecification: 9BWG * ... can be divided into different parallel and arc-shaped corrugated nails, Shank different in design, light body, ringed, ...