... roofing bolt,J bolt,U bolt,J anchor,J hook with nut or washerMild steel Zinc plated Many sizes Many tapes Zinc ... roofing bolt,J bolt,U bolt,J anchor,J hook with nut or washerMild steelDescription:Material:carbon steelSurface:zinc plated,HDGSize:as ... roofing bolt,J bolt,U bolt,J anchor,J hook with nut or washer