Overview Additional Info Reviews Product Description Single Loop Chain, Lock Link, Carbon Steel, Zinc Plated Lock Link chain is ideal for sprocket wheel, overhead door chains and general utility use. It is made of low-carbon, zinc-plated steel. Product Additional Info Additional Tech Info Product Documents Product Videos Custom Field Product Reviews Write a Review Write a Review × Campbell Single Loop Chain, Lock Link, Carbon Steel, Zinc Plated Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *