Lead Wool - 5 Lbs by Nathan Trotter Save Liquid error (product-badge line 32): Computation results to '-Infinity'% $35.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 100% pure lead Lead Wool, 5 lb. Lead wool consists of thin strands of lead metal that can be used to cold-caulk cast iron and steel pipes, and other construction purposes.