This strong dee ring is made from zinc-plated steel. The heavy-duty D ring has an inner diameter of 7/8". The welded D ring is ideal for use as a fabric strap fastener, boat top fitting, shade sail connector, carabiner, or tie-down anchor to secure cargo. The D-ring fastener can be used with other metal fittings for a variety of connecting and anchoring purposes. Save by purchasing metal D rings in bulk.