Melbye B4 is a heavy-duty eye screw with a twisted eye, formed from steel and electrolytically zinc plated for corrosion resistance. The shaft measures 16 mm diameter by 200 mm long, suitable for attachment points and anchor eyes in timber substrates. Supplied in packs of 50 and manufactured in Norway. Typical applications include cable and rope tie-offs, tarpaulin attachment, and rigging on wooden structures.